query: SELECT location_code FROM Ref_locations WHERE location_name  =  "Canada"
question: What-all a a location a code a a country "Canada"?
query_toks: SELECT location_code FROM Ref_locations WHERE location_name = `` Canada ''
query_toks_no_value: select location_code from ref_locations where location_name = value
question_toks: What-all a a location a code a a country "Canada"?