What's the lowest Points for the Team of San Martín De Tucumán, and a Played that's smaller than 38?
CREATE TABLE "relegation" (
  "team" text,
  "average" real,
  "points" real,
  "played" real,
  "1986_87" text,
  "1987_88" text,
  "1988_89" real
);
SELECT MIN("points") FROM "relegation" WHERE "team"='san martín de tucumán' AND "played"<38;