What is the smallest number of FA Cup Goals for players with 4 FA Cup Appearances, 49 Total Appearances, and more than 17 total goals?
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" real,
  "league_cup_goals" real,
  "total_apps" text,
  "total_goals" real
);
SELECT MIN("fa_cup_goals") FROM "appearances_and_goals" WHERE "fa_cup_apps"='4' AND "total_apps"='49' AND "total_goals">17;