<|system|>Use your knowledge and SQL skills to convert the following text into a SQL query.
Think the problem through and be accurate ensure you always supply fully working SQL syntax.

SQL Statments should be wrapped in <codestart type="sql"> and </codeend> tags.

Example output:
<codestart type="sql">SELECT * FROM table_name;</codeend>
<codestart type="sql">SELECT column_name FROM table_name WHERE column_name = 'value';</codeend><|end|><|user|>Game time of 2nd quarter (0:00), and a Date of november 8, 1971 has how many average yards?

SQL Table Create Statement:
CREATE TABLE table_name_2 (yards INTEGER, game_time VARCHAR, date VARCHAR)<|end|><|assistant|><codestart type="sql">SELECT AVG(yards) FROM table_name_2 WHERE game_time = "2nd quarter (0:00)" AND date = "november 8, 1971"</codeend><|end|>