query: SELECT director FROM Movie GROUP BY director HAVING count(*)  =  1
question: What are the names of the directors which maked exactly one movie?
query_toks: SELECT director FROM Movie GROUP BY director HAVING count ( * ) = 1
query_toks_no_value: select director from movie group by director having count ( * ) = value
question_toks: What are the names of the directors which maked exactly one movie?