Opponent of at san francisco 49ers had what lowest week?
CREATE TABLE table_name_43 (week INTEGER, opponent VARCHAR)
SELECT MIN(week) FROM table_name_43 WHERE opponent = "at san francisco 49ers"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_43 (week INTEGER, opponent VARCHAR) Question: Opponent of at san francisco 49ers had what lowest week? [/INST] SELECT MIN(week) FROM table_name_43 WHERE opponent = "at san francisco 49ers" </s>