user: Question: What is the total top-25 of the u.s. open, which has less than 7 cuts?
Columns: ['Tournament', 'Wins', 'Top-5', 'Top-10', 'Top-25', 'Events', 'Cuts made']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Masters Tournament', 0.0, 0.0, 0.0, 1.0, 5.0, 2.0]
SQL:

assistant: SELECT SUM("Top-25") FROM "Table" WHERE "Tournament" = 'u.s. open' AND "Cuts made" < 7.0;