What country is charley hoffman from?
CREATE TABLE "table1_28498999_4" (
  "num" text,
  "player" text,
  "country" text,
  "score" text,
  "to_par" text,
  "winnings" real,
  "after" real,
  "before" real
);
SELECT "country" FROM "table1_28498999_4" WHERE "player"='Charley Hoffman';