query: SELECT product_price FROM products WHERE product_id NOT IN (SELECT product_id FROM complaints)
question: What price product that finish never get complaint?
query_toks: SELECT product_price FROM products WHERE product_id NOT IN ( SELECT product_id FROM complaints )
query_toks_no_value: select product_price from products where product_id not in ( select product_id from complaints )
question_toks: What price product that finish never get complaint?