In what week was the Result L 15-13?
CREATE TABLE table_name_91 (week INTEGER, result VARCHAR)
SELECT AVG(week) FROM table_name_91 WHERE result = "l 15-13"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_91 (week INTEGER, result VARCHAR) Question: In what week was the Result L 15-13? [/INST] SELECT AVG(week) FROM table_name_91 WHERE result = "l 15-13" </s>