user: Question: what is the U.S. senate when the year is after 2002 and the party is Working Families?
Columns: ['Year', 'Party', 'Governor', 'Lieutenant Governor', 'Comptroller', 'Attorney General', 'U.S. Senate']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1998.0, 'Democratic', 'Peter Vallone', 'Sandra Frankel', 'Carl McCall', 'Eliot Spitzer', 'Charles Schumer']
SQL:

assistant: SELECT "U.S. Senate" FROM "Table" WHERE "Year" > 2002.0 AND "Party" = 'Working Families';