CREATE TABLE table_name_71 (rider VARCHAR(255), time_retired VARCHAR(255), laps VARCHAR(255), grid VARCHAR(255))
Who was the rider for laps less than 23 with grid greater than 21 that had a time of +1 lap?
    
SQL: SELECT rider FROM table_name_71 WHERE laps < 23 AND grid > 21 AND time_retired = "+1 lap"