CREATE TABLE table_name_43 (rank_by_average INTEGER, number_of_dances VARCHAR(255), total VARCHAR(255), average VARCHAR(255))
What is the rank by average where the total was larger than 245 and the average was 27.1 with fewer than 15 dances?
    
SQL: SELECT AVG(rank_by_average) FROM table_name_43 WHERE total > 245 AND average = 27.1 AND number_of_dances < 15