Question: Who was the incumbent president who was the wife of Néstor Kirchner?
Sentence (from "Aníbal Fernández"): Aníbal Domingo Fernández (born January 9, 1957) is an Argentine Justicialist Party politician, lawyer, and certified public accountant who has been a close ally, loyal to both, the late President Néstor Kirchner and the former President Cristina Fernández de Kirchner.
Relevant evidence: No