CREATE TABLE "season" (
  "rank" real,
  "player" text,
  "county" text,
  "tally" text,
  "total" real,
  "matches" real,
  "average" real
);

Question: Which Average has a Tally of 2-12, and a Total larger than 18?
SQL: SELECT AVG("average") FROM "season" WHERE "tally"='2-12' AND "total">18;