Who won Group VI, when Group 1 was won by deportivo, group IV by sevilla, and group III by Valencia?
CREATE TABLE "champions" (
  "season" text,
  "group_i" text,
  "group_ii" text,
  "group_iii" text,
  "group_iv" text,
  "group_v" text,
  "group_vi" text
);
SELECT "group_vi" FROM "champions" WHERE "group_i"='deportivo' AND "group_iv"='sevilla' AND "group_iii"='valencia';