What is the title of the first episode of Garfield that is followed by the second episode of Garfield titled Mamma Manicotti?
CREATE TABLE "table1_1852270_5" (
  "episode" text,
  "garfield_episode_1" text,
  "u_s_acres_episode" text,
  "garfield_episode_2" text,
  "original_airdate" text
);
SELECT "garfield_episode_1" FROM "table1_1852270_5" WHERE "garfield_episode_2"='Mamma Manicotti';