CREATE TABLE table_11325 ("Tournament" TEXT, "Wins" FLOAT, "Top-10" FLOAT, "Top-25" FLOAT, "Events" FLOAT, "Cuts made" FLOAT)

What is the top-25 of the U.S. open, which has less than 7 events?
SELECT SUM("Top-25") FROM table_11325 WHERE "Tournament" = 'u.s. open' AND "Events" < '7'
SELECT SUM("Top-25") FROM "table_11325" WHERE "Events" < '7' AND "Tournament" = 'u.s. open'