How many object dates have origin in Samoa?
CREATE TABLE "table1_29635868_1" (
  "episode_number" real,
  "title_link_to_episode_on_you_tube" text,
  "origin" text,
  "object_date" text,
  "description" text,
  "te_papas_collections_online_link" text,
  "host_additional_contributors" text
);
SELECT COUNT("object_date") FROM "table1_29635868_1" WHERE "origin"='Samoa';