How many dates does the ladies category correspond to Rothaus-Cube?
CREATE TABLE "winners_from_2004" (
  "date" real,
  "category" text,
  "team" text,
  "rider_1" text,
  "rider_2" text
);
SELECT COUNT("date") FROM "winners_from_2004" WHERE "category"='ladies' AND "team"='rothaus-cube';