CREATE TABLE table_13143 ("Player" TEXT, "Country" TEXT, "Year ( s )  won" TEXT, "Total" FLOAT, "To par" TEXT, "Finish" TEXT)

Which country has a Year(s) won in 1964?
SELECT "Country" FROM table_13143 WHERE "Year(s) won" = '1964'
SELECT "Country" FROM "table_13143" WHERE "Year(s) won" = '1964'