What is Score, when Country is "United States", when Place is "T3", and when Player is "Phil Blackmar"?
CREATE TABLE "second_round" (
  "place" text,
  "player" text,
  "country" text,
  "score" text,
  "to_par" text
);
SELECT "score" FROM "second_round" WHERE "country"='united states' AND "place"='t3' AND "player"='phil blackmar';