query: SELECT name ,  CLASS FROM ship WHERE ship_id NOT IN (SELECT ship_id FROM captain)
question: Are Returning the name and class of ship that do ain't no captain?
query_toks: SELECT name , CLASS FROM ship WHERE ship_id NOT IN ( SELECT ship_id FROM captain )
query_toks_no_value: select name , class from ship where ship_id not in ( select ship_id from captain )
question_toks: Are Returning the name and class of ship that do ain't no captain?