Table schema:
CREATE TABLE exhibition (ticket_price INTEGER); CREATE TABLE exhibition (theme VARCHAR, artist_id VARCHAR, ticket_price INTEGER); CREATE TABLE artist (name VARCHAR, artist_id VARCHAR)

Question: What is the theme and artist name for the exhibition with a ticket price higher than the average?
SQL: 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)