What is the smallest amount of touchdowns when there is a total player and a number of field goals of more than 0?
CREATE TABLE "michigan_48_case_6" (
  "player" text,
  "touchdowns" real,
  "extra_points" real,
  "field_goals" real,
  "points" real
);
SELECT MIN("touchdowns") FROM "michigan_48_case_6" WHERE "player"='total' AND "field_goals">0;