CREATE TABLE table_48692 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT)

What country was the player from who placed t3 with a score of 70-68=138?
SELECT "Country" FROM table_48692 WHERE "Place" = 't3' AND "Score" = '70-68=138'
SELECT "Country" FROM "table_48692" WHERE "Place" = 't3' AND "Score" = '70-68=138'