What is the average field goal someone has when they have 0 extra points but more than 5 touch downs?
CREATE TABLE "michigan_28_wisconsin_0" (
  "player" text,
  "touchdowns" real,
  "extra_points" real,
  "field_goals" real,
  "points" real
);
SELECT AVG("field_goals") FROM "michigan_28_wisconsin_0" WHERE "extra_points">0 AND "touchdowns">5;