What is the theme and artist name for the exhibition with a ticket price higher than the average?
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)
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)
[{'Theme': 'Santa Claus', 'Name': 'Vijay Singh'}, {'Theme': 'Christmas stocking', 'Name': 'John Daly'}, {'Theme': 'Spring', 'Name': 'Nick Price'}]