CREATE TABLE table_50887 ("Player" TEXT, "Country" TEXT, "Year ( s )  won" TEXT, "Total" FLOAT, "To par" TEXT, "Finish" TEXT)

Who won in 1991?
SELECT "Player" FROM table_50887 WHERE "Year(s) won" = '1991'
SELECT "Player" FROM "table_50887" WHERE "Year(s) won" = '1991'