Name the average year for manly-warringah sea eagles
CREATE TABLE table_name_13 (year INTEGER, opponent VARCHAR)
SELECT AVG(year) FROM table_name_13 WHERE opponent = "manly-warringah sea eagles"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_13 (year INTEGER, opponent VARCHAR) Question: Name the average year for manly-warringah sea eagles [/INST] SELECT AVG(year) FROM table_name_13 WHERE opponent = "manly-warringah sea eagles" </s>