list of virginia covered bridges
the bob white bridge was the only one of virginia 's covered bridges that was built in 1921 .
{'scope': 'all', 'row': '2', 'col': '4', 'col_other': '1', 'criterion': 'equal', 'value': '1921', 'subset': None}
{'func': 'and', 'args': [{'func': 'only', 'args': [{'func': 'filter_eq', 'args': ['all_rows', 'built', '1921'], 'result': None, 'ind': 0, 'tointer': 'select the rows whose built record is equal to 1921 .', 'tostr': 'filter_eq { all_rows ; built ; 1921 }'}], 'result': True, 'ind': 1, 'tostr': 'only { filter_eq { all_rows ; built ; 1921 } }', 'tointer': 'select the rows whose built record is equal to 1921 . there is only one such row in the table .'}, {'func': 'str_eq', 'args': [{'func': 'str_hop', 'args': [{'func': 'filter_eq', 'args': ['all_rows', 'built', '1921'], 'result': None, 'ind': 0, 'tointer': 'select the rows whose built record is equal to 1921 .', 'tostr': 'filter_eq { all_rows ; built ; 1921 }'}, 'name'], 'result': 'bob white', 'ind': 2, 'tostr': 'hop { filter_eq { all_rows ; built ; 1921 } ; name }'}, 'bob white'], 'result': True, 'ind': 3, 'tostr': 'eq { hop { filter_eq { all_rows ; built ; 1921 } ; name } ; bob white }', 'tointer': 'the name record of this unqiue row is bob white .'}], 'result': True, 'ind': 4, 'tostr': 'and { only { filter_eq { all_rows ; built ; 1921 } } ; eq { hop { filter_eq { all_rows ; built ; 1921 } ; name } ; bob white } } = true', 'tointer': 'select the rows whose built record is equal to 1921 . there is only one such row in the table . the name record of this unqiue row is bob white .'}
and { only { filter_eq { all_rows ; built ; 1921 } } ; eq { hop { filter_eq { all_rows ; built ; 1921 } ; name } ; bob white } } = true
select the rows whose built record is equal to 1921 . there is only one such row in the table . the name record of this unqiue row is bob white .
{'and_4': 'and', 'result_5': 'true', 'only_1': 'only', 'filter_eq_0': 'filter_eq', 'all_rows_6': 'all_rows', 'built_7': 'built', '1921_8': '1921', 'str_eq_3': 'str_eq', 'str_hop_2': 'str_hop', 'name_9': 'name', 'bob white_10': 'bob white'}
['name', 'county', 'location', 'built', 'length ( ft )', 'spans']
[['biedler farm', 'rockingham', 'broadway', '1896', '93', 'smith creek'], ['bob white', 'patrick', 'woolwine', '1921', '80', 'smith river'], ['ck reynolds', 'giles', 'newport', '1919', '36', 'sinking creek'], ['humpback', 'alleghany', 'covington', '1857', '109', 'dunlap creek'], ["jack 's creek", 'patrick', 'woolwine', '1914', '48', 'smith river'], ['link farm', 'giles', 'newport', '1912', '49', 'sinking creek'], ["meem 's bottom", 'shenandoah', 'mount jackson', '1894', '204', 'north fork of the shenandoah river'], ['sinking creek', 'giles', 'newport', 'ca 1916', '71', 'sinking creek']]