query: SELECT publisher FROM book_club EXCEPT SELECT publisher FROM book_club WHERE YEAR  =  1989
question: Which publishers are not publishing the book 1989?
query_toks: SELECT publisher FROM book_club EXCEPT SELECT publisher FROM book_club WHERE YEAR = 1989
query_toks_no_value: select publisher from book_club except select publisher from book_club where year = value
question_toks: Which publishers are not publishing the book 1989?