What is the highest rank with more than 498 apps, an all time rank of 6, and a debut year later than 1992?
CREATE TABLE "appearances" (
  "rank" real,
  "all_time_rank" text,
  "name" text,
  "debut_year" real,
  "current_club" text,
  "apps" real
);
SELECT MAX("rank") FROM "appearances" WHERE "apps">498 AND "all_time_rank"='6' AND "debut_year">1992;