Table schema:
CREATE TABLE table_name_82 (avg_g VARCHAR, gp_gs VARCHAR, effic VARCHAR)

Question: Avg/G that has a GP-GS of 13–13, and a Effic smaller than 114.23 has what total of numbers?
SQL: SELECT COUNT(avg_g) FROM table_name_82 WHERE gp_gs = "13–13" AND effic < 114.23