Question: Who was the incumbent president who was the wife of Néstor Kirchner?
{'answer': 'Cristina Fernández de Kirchner', 'supporting_facts': [['Death and state funeral of Néstor Kirchner', 0], ['Death and state funeral of Néstor Kirchner', 2], ['Argentine general election, 2011', 0], ['Argentine general election, 2011', 1]]}