CREATE TABLE "first_team" (
  "start_date" text,
  "end_date" text,
  "pos" text,
  "player" text,
  "to_club" text
);

Question: What player was moved to Blackpool?
SQL: SELECT "player" FROM "first_team" WHERE "to_club"='blackpool';

Question: A player was moved to celtic had an end of what date?
SQL: SELECT "end_date" FROM "first_team" WHERE "to_club"='celtic';