what is the location when the year is less than 1998 and the international captain is david graham?
CREATE TABLE "results" (
  "year" real,
  "venue" text,
  "location" text,
  "winning_team" text,
  "score" text,
  "u_s_captain" text,
  "international_captain" text
);
SELECT "location" FROM "results" WHERE "year"<1998 AND "international_captain"='david graham';