What is the average year for Ponce, Puerto Rico events?
CREATE TABLE table_name_15 (year INTEGER, venue VARCHAR)
SELECT AVG(year) FROM table_name_15 WHERE venue = "ponce, puerto rico"
### Context: CREATE TABLE table_name_15 (year INTEGER, venue VARCHAR) ### Question: What is the average year for Ponce, Puerto Rico events? ### Answer: SELECT AVG(year) FROM table_name_15 WHERE venue = "ponce, puerto rico"