CREATE TABLE "biggest_losses" (
  "margin" real,
  "score" text,
  "opponent" text,
  "venue" text,
  "year" real
);

Question: Name the average year for brookvale oval and margin more than 46
SQL: SELECT AVG("year") FROM "biggest_losses" WHERE "venue"='brookvale oval' AND "margin">46;

Question: Name the most year for brookvale oval
SQL: SELECT MAX("year") FROM "biggest_losses" WHERE "venue"='brookvale oval';

Question: Name the average year for manly-warringah sea eagles
SQL: SELECT AVG("year") FROM "biggest_losses" WHERE "opponent"='manly-warringah sea eagles';