CREATE TABLE table_1831 ("Country" TEXT, "Mens Open" FLOAT, "Womens Open" FLOAT, "Mens Wheelchair" FLOAT, "Womens Wheelchair" FLOAT, "Total" FLOAT)

How many are the total winners if 7 won the Men's Open?
SELECT "Total" FROM table_1831 WHERE "Mens Open" = '7'
SELECT "Total" FROM "table_1831" WHERE "Mens Open" = '7'