What is the average when the rank by average is more than 12?
CREATE TABLE table_name_88 (average INTEGER, rank_by_average INTEGER)
SELECT SUM(average) FROM table_name_88 WHERE rank_by_average > 12
### Context: CREATE TABLE table_name_88 (average INTEGER, rank_by_average INTEGER) ### Question: What is the average when the rank by average is more than 12? ### Answer: SELECT SUM(average) FROM table_name_88 WHERE rank_by_average > 12