user: Question: Which partners were Runner-up in the tournament in Mons, Belgium?
Columns: ['Outcome', 'Date', 'Tournament', 'Surface', 'Partner', 'Opponents', 'Score']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Winner', '12 September 2010', 'Saint-Rémy-de-Provence , France', 'Hard', 'Gilles Müller', 'Andis Juška Deniss Pavlovs', '6–0, 2–6, [13–11]']
SQL:

assistant: SELECT "Partner" FROM "Table" WHERE "Outcome" = 'Runner-up' AND "Tournament" = 'Mons, Belgium';