What is the 92'-93 result for the team with 55 in 91'-92?
CREATE TABLE "relegation" (
  "team" text,
  "average" text,
  "points" real,
  "played" real,
  "1991_92" text,
  "1992_93" text,
  "1993_94" real
);
SELECT "1992_93" FROM "relegation" WHERE "1991_92"='55';