query: SELECT director FROM movie WHERE YEAR  =  2000 INTERSECT SELECT director FROM movie WHERE YEAR  =  1999
question: Which director had movie both year 1999 and 2000?
query_toks: SELECT director FROM movie WHERE YEAR = 2000 INTERSECT SELECT director FROM movie WHERE YEAR = 1999
query_toks_no_value: select director from movie where year = value intersect select director from movie where year = value
question_toks: Which director had movie both year 1999 and 2000?