CREATE TABLE table_name_77 (constructor VARCHAR(255), time_retired VARCHAR(255), grid VARCHAR(255), laps VARCHAR(255))
Who constructed the car with a grid under 15, 77 laps, and a Time/Retired of + 0.771?
    
SQL: SELECT constructor FROM table_name_77 WHERE grid < 15 AND laps = 77 AND time_retired = "+ 0.771"