user: Question: Who was Bob Bryan's partner/s on a Hard surface in 2003?
Columns: ['Outcome', 'Year', 'Championship', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'real', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', 2003.0, 'French Open', 'Clay', 'Mike Bryan', 'Paul Haarhuis Yevgeny Kafelnikov', '7–6 (7–3) , 6–3']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Year" = 2003.0 AND "Surface" = 'Hard';