Name the venue that has conv of 5 players on 20 points
CREATE TABLE "most_points_in_a_match" (
  "player" text,
  "tries" text,
  "conv" text,
  "pens" text,
  "drop" text,
  "venue" text,
  "date" text
);
SELECT "venue" FROM "most_points_in_a_match" WHERE "conv"='5 players on 20 points';