What is the total number of Year(s), when Tournament is "World Championships"?
CREATE TABLE table_name_50 (year VARCHAR, tournament VARCHAR)
SELECT COUNT(year) FROM table_name_50 WHERE tournament = "world championships"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_50 (year VARCHAR, tournament VARCHAR) Question: What is the total number of Year(s), when Tournament is "World Championships"? [/INST] SELECT COUNT(year) FROM table_name_50 WHERE tournament = "world championships" </s>