What is the average year of events that took place in Antwerp, Belgium?
CREATE TABLE table_name_97 (year INTEGER, venue VARCHAR)
SELECT AVG(year) FROM table_name_97 WHERE venue = "antwerp, belgium"
### Context: CREATE TABLE table_name_97 (year INTEGER, venue VARCHAR) ### Question: What is the average year of events that took place in Antwerp, Belgium? ### Answer: SELECT AVG(year) FROM table_name_97 WHERE venue = "antwerp, belgium"