What's the average of all years tournaments were hosted in Doha, Qatar?
CREATE TABLE table_name_81 (year INTEGER, venue VARCHAR)
SELECT AVG(year) FROM table_name_81 WHERE venue = "doha, qatar"
### Context: CREATE TABLE table_name_81 (year INTEGER, venue VARCHAR) ### Question: What's the average of all years tournaments were hosted in Doha, Qatar? ### Answer: SELECT AVG(year) FROM table_name_81 WHERE venue = "doha, qatar"