What is the number of matches with an average larger than 6.33, with a rank of 1?
CREATE TABLE "season" (
  "rank" real,
  "player" text,
  "county" text,
  "tally" text,
  "total" real,
  "matches" real,
  "average" real
);
SELECT SUM("matches") FROM "season" WHERE "average">6.33 AND "rank"=1;