CREATE TABLE table_14855908_3 (episodes INT, region_4 VARCHAR)

How many episodes were put out in Region 4 on March 4, 2010?
SELECT MAX(episodes) FROM table_14855908_3 WHERE region_4 = "March 4, 2010"
SELECT MAX("episodes") FROM "table_14855908_3" WHERE "March 4, 2010" = "region_4"