Who was partner for the 1988 world group i edition?
CREATE TABLE "doubles_3_2" (
  "edition" text,
  "round" text,
  "date" text,
  "partner" text,
  "surface" text,
  "opponents" text,
  "result" text
);
SELECT "partner" FROM "doubles_3_2" WHERE "edition"='1988 world group i';