Table schema:
CREATE TABLE table_name_93 (avg_g INTEGER, yards VARCHAR, long VARCHAR, gp_gs VARCHAR)

Question: What is the highest average for a long less than 24, a GP-GS of 2-0, and less than 7 yards?
SQL: SELECT MAX(avg_g) FROM table_name_93 WHERE long < 24 AND gp_gs = "2-0" AND yards < 7