What is the highest Rank, when U-17 Goals is "9"?
CREATE TABLE "top_goalscorers" (
  "rank" real,
  "player" text,
  "club_s" text,
  "year_s" text,
  "u_17_goals" real
);
SELECT MAX("rank") FROM "top_goalscorers" WHERE "u_17_goals"=9;