What to par has The United States as the country, t8 as the place, and tommy valentine as the player?
CREATE TABLE "first_round" (
  "place" text,
  "player" text,
  "country" text,
  "score" real,
  "to_par" text
);
SELECT "to_par" FROM "first_round" WHERE "country"='united states' AND "place"='t8' AND "player"='tommy valentine';