Which episode has a Challenge Winner of berto?
CREATE TABLE table_name_50 (episode VARCHAR, challenge_winner VARCHAR)
SELECT episode FROM table_name_50 WHERE challenge_winner = "berto"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_50 (episode VARCHAR, challenge_winner VARCHAR) Question: Which episode has a Challenge Winner of berto? [/INST] SELECT episode FROM table_name_50 WHERE challenge_winner = "berto" </s>