How many seats does the party of others have with a change of -1 and more than 0% votes?
CREATE TABLE "government" (
  "party" text,
  "pct_votes" real,
  "pct_change" real,
  "seats" real,
  "change" real
);
SELECT SUM("seats") FROM "government" WHERE "change"=-1 AND "party"='others' AND "pct_votes">0;