Question: 2007 Open 13 – Doubles: Martin Damm and Radek Štěpánek were the defending champions, Štěpánek partnered with which retired Indian professional tennis player, but withdrew from the first round?
{'answer': 'Mahesh Bhupathi', 'supporting_facts': [['2007 Open 13 – Doubles', 2], ['Mahesh Bhupathi', 0]]}