Which country watch Tom Watson at t9 score 72-72=144?
CREATE TABLE "second_round" (
  "place" text,
  "player" text,
  "country" text,
  "score" text,
  "to_par" text
);
SELECT "country" FROM "second_round" WHERE "place"='t9' AND "score"='72-72=144' AND "player"='tom watson';