list of street railways in canada
the edmonton radial railway is the oldest railway that serves canada .
{'scope': 'all', 'col_superlative': '4', 'row_superlative': '2', 'value_mentioned': 'no', 'max_or_min': 'min', 'other_col': '1', 'subset': None}
{'func': 'str_eq', 'args': [{'func': 'str_hop', 'args': [{'func': 'argmin', 'args': ['all_rows', 'date ( from )'], 'result': None, 'ind': 0, 'tostr': 'argmin { all_rows ; date ( from ) }'}, 'name of system'], 'result': 'edmonton radial railway', 'ind': 1, 'tostr': 'hop { argmin { all_rows ; date ( from ) } ; name of system }'}, 'edmonton radial railway'], 'result': True, 'ind': 2, 'tostr': 'eq { hop { argmin { all_rows ; date ( from ) } ; name of system } ; edmonton radial railway } = true', 'tointer': 'select the row whose date ( from ) record of all rows is minimum . the name of system record of this row is edmonton radial railway .'}
eq { hop { argmin { all_rows ; date ( from ) } ; name of system } ; edmonton radial railway } = true
select the row whose date ( from ) record of all rows is minimum . the name of system record of this row is edmonton radial railway .
{'str_eq_2': 'str_eq', 'result_3': 'true', 'str_hop_1': 'str_hop', 'argmin_0': 'argmin', 'all_rows_4': 'all_rows', 'date (from)_5': 'date ( from )', 'name of system_6': 'name of system', 'edmonton radial railway_7': 'edmonton radial railway'}
['name of system', 'location', 'traction type', 'date ( from )', 'date ( to )']
[['calgary municipal railway', 'calgary', 'electric', '5 jul 1909 25 may 1981', '29 dec 1950 -'], ['edmonton radial railway', 'edmonton', 'electric', '30 oct 1908 22 apr 1978', '1 sep 1951 -'], ['edmonton radial railway', 'edmonton', 'petrol ( gasoline )', '30 sep 1913', '1 apr 1914'], ['lake louise tramway', 'lake louise', 'petrol ( gasoline )', '1912', '1930'], ['lethbridge municipal railway', 'lethbridge', 'electric', 'sep 1912', '8 sep 1947']]