What is the lowest total goals when position is df, and FA Cup Goals is smaller than 0?
CREATE TABLE "appearances_and_goals" (
  "name" text,
  "position" text,
  "league_apps" text,
  "league_goals" real,
  "fa_cup_apps" text,
  "fa_cup_goals" real,
  "league_cup_apps" text,
  "league_cup_goals" real,
  "total_apps" text,
  "total_goals" real
);
SELECT MIN("total_goals") FROM "appearances_and_goals" WHERE "position"='df' AND "fa_cup_goals"<0;