What is the Points that has  61 - 15 Point difference and a Drawn larger than 1?
CREATE TABLE "world_championship_group_c_denmark" (
  "games" real,
  "drawn" real,
  "lost" real,
  "points_difference" text,
  "points" real
);
SELECT AVG("points") FROM "world_championship_group_c_denmark" WHERE "points_difference"='61 - 15' AND "drawn">1;