user: Question: Who was Bob Bryan's partner in the Championship where the result is US Open (2)?
Columns: ['Outcome', 'Year', 'Championship', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Runner-up', 2002.0, 'US Open', 'Hard', 'Katarina Srebotnik', 'Lisa Raymond Mike Bryan', '7–6 (11–9) , 7–6 (7–1)']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Championship" = 'US Open (2)';