query: SELECT T1.theme ,  T2.name FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id  =  T2.artist_id WHERE T1.ticket_price  >  (SELECT avg(ticket_price) FROM exhibition)
question: Return the names of artists and the themes of their exhibitions that had a ticket price more higher as average.
query_toks: SELECT T1.theme , T2.name FROM exhibition AS T1 JOIN artist AS T2 ON T1.artist_id = T2.artist_id WHERE T1.ticket_price > ( SELECT avg ( ticket_price ) FROM exhibition )
query_toks_no_value: select t1 . theme , t2 . name from exhibition as t1 join artist as t2 on t1 . artist_id = t2 . artist_id where t1 . ticket_price > ( select avg ( ticket_price ) from exhibition )
question_toks: Return the names of artists and the themes of their exhibitions that had a ticket price more higher as average.