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"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_19630743_2 (no INTEGER, tournament VARCHAR) Question: What is the minimum number of the bmw championship tournament. [/INST] SELECT MIN(no) FROM table_19630743_2 WHERE tournament = "BMW Championship" </s>