What's the result for the clay surface edition on july 17, 1992?
CREATE TABLE "singles_5_6" (
  "edition" text,
  "round" text,
  "date" text,
  "surface" text,
  "opponent" text,
  "result" text
);
SELECT "result" FROM "singles_5_6" WHERE "surface"='clay' AND "date"='july 17, 1992';