What is Series, when Days is greater than 99, and when Prize is €50,000?
CREATE TABLE "series_details" (
  "series" text,
  "host" text,
  "launch_date" text,
  "finale_date" text,
  "days" real,
  "winner" text,
  "prize" text
);
SELECT "series" FROM "series_details" WHERE "days">99 AND "prize"='€50,000';