CREATE TABLE table_19616 ("DVD name" TEXT, "Episodes" FLOAT, "Region 1  ( CAN ) " TEXT, "Region 1  ( US ) " TEXT, "Region 2  ( FR ) " TEXT, "Region 4" TEXT)

How many episodes were released on DVD in the US on October 13, 2009?
SELECT "Episodes" FROM table_19616 WHERE "Region 1 (US)" = 'October 13, 2009'
SELECT "Episodes" FROM "table_19616" WHERE "Region 1 (US)" = 'October 13, 2009'