What percent did RETTÖ get in the state where LINKE got 0.1%, and FRITZ got 1.3%?
CREATE TABLE "by_state" (
  "state" text,
  "gr_ne" text,
  "fritz" text,
  "rett" text,
  "linke" text,
  "stark" text
);
SELECT "rett" FROM "by_state" WHERE "linke"='0.1%' AND "fritz"='1.3%';