CREATE TABLE table_68286 ("Place" TEXT, "Player" TEXT, "Country" TEXT, "Score" TEXT, "To par" TEXT)

Which country has t6 as a place and 75-70=145 as the score?
SELECT "Country" FROM table_68286 WHERE "Place" = 't6' AND "Score" = '75-70=145'
SELECT "Country" FROM "table_68286" WHERE "Place" = 't6' AND "Score" = '75-70=145'