When Australian open is the championship what is the lowest year?
CREATE TABLE table_24901152_2 (year INTEGER, championship VARCHAR)
SELECT MIN(year) FROM table_24901152_2 WHERE championship = "Australian Open"
### Context: CREATE TABLE table_24901152_2 (year INTEGER, championship VARCHAR) ### Question: When Australian open is the championship what is the lowest year? ### Answer: SELECT MIN(year) FROM table_24901152_2 WHERE championship = "Australian Open"