query: SELECT count(*) FROM item WHERE i_id NOT IN (SELECT i_id FROM review)
question: Find the number of items never received no review.
query_toks: SELECT count ( * ) FROM item WHERE i_id NOT IN ( SELECT i_id FROM review )
query_toks_no_value: select count ( * ) from item where i_id not in ( select i_id from review )
question_toks: Find the number of items never received no review.