What type of 3D game was released between 2008-2011?
CREATE TABLE "free_play" (
  "developer_s" text,
  "release_date" text,
  "required_os" text,
  "genre" text,
  "type" text
);
SELECT "genre" FROM "free_play" WHERE "type"='3d' AND "release_date"='2008-2011';