CREATE TABLE table_269920_3 (l2_cache__mb_ VARCHAR, model VARCHAR)

How many different L2 cache numbers are there for the 7130M model?
SELECT COUNT(l2_cache__mb_) FROM table_269920_3 WHERE model = "7130M"
SELECT COUNT("l2_cache__mb_") FROM "table_269920_3" WHERE "7130M" = "model"