CREATE TABLE table_name_2 (yards INTEGER, game_time VARCHAR(255), date VARCHAR(255))
Game time of 2nd quarter (0:00), and a Date of november 8, 1971 has how many average yards?
    
SQL: SELECT AVG(yards) FROM table_name_2 WHERE game_time = "2nd quarter (0:00)" AND date = "november 8, 1971"