Table schema:
CREATE TABLE table_name_87 (matches INTEGER, s_rate VARCHAR, balls VARCHAR, average VARCHAR)

Question: How many Matches have Balls smaller than 224, and an Average larger than 38.25, and an S/Rate larger than 139.09?
SQL: SELECT SUM(matches) FROM table_name_87 WHERE balls < 224 AND average > 38.25 AND s_rate > 139.09