Name the number  of weeks for san francisco 49ers
CREATE TABLE table_14984103_1 (week VARCHAR, opponent VARCHAR)
SELECT COUNT(week) FROM table_14984103_1 WHERE opponent = "San Francisco 49ers"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_14984103_1 (week VARCHAR, opponent VARCHAR) Question: Name the number  of weeks for san francisco 49ers [/INST] SELECT COUNT(week) FROM table_14984103_1 WHERE opponent = "San Francisco 49ers" </s>