Which Schwaben has an Oberbayern of fc ingolstadt 04 and a Mittelfranken of sv seligenporten
CREATE TABLE "bavarian_cup_era" (
  "season" real,
  "oberbayern" text,
  "niederbayern" text,
  "schwaben" text,
  "mittelfranken" text
);
SELECT "schwaben" FROM "bavarian_cup_era" WHERE "oberbayern"='fc ingolstadt 04' AND "mittelfranken"='sv seligenporten';