What is the minimum number of the bmw championship tournament.
CREATE TABLE table_19630743_2 (no INTEGER, tournament VARCHAR)
SELECT MIN(no) FROM table_19630743_2 WHERE tournament = "BMW Championship"
### Context: CREATE TABLE table_19630743_2 (no INTEGER, tournament VARCHAR) ### Question: What is the minimum number of the bmw championship tournament. ### Answer: SELECT MIN(no) FROM table_19630743_2 WHERE tournament = "BMW Championship"