CREATE TABLE table_49934 ("Player" TEXT, "Country" TEXT, "Year ( s )  won" TEXT, "Total" FLOAT, "To par" TEXT, "Finish" TEXT)

What is the Year(s) won from the United States as country with a To Par of +4?
SELECT "Year(s) won" FROM table_49934 WHERE "Country" = 'united states' AND "To par" = '+4'
SELECT "Year(s) won" FROM "table_49934" WHERE "Country" = 'united states' AND "To par" = '+4'