What's the 1986-87 that's got a 1988-89 that's larger than 42, and Points of 109?
CREATE TABLE "relegation" (
  "team" text,
  "average" real,
  "points" real,
  "played" real,
  "1986_87" text,
  "1987_88" text,
  "1988_89" real
);
SELECT "1986_87" FROM "relegation" WHERE "1988_89">42 AND "points"=109;