Question: What position did the former American first lady who employed Ann M. O'Leary during her husband's presidency hold in the Obama administration?
Sentence (from "Vanda Pignato"): Vanda Guiomar Pignato (born February 16, 1963) is a Brazilian-born Salvadoran lawyer, human rights activist, politician, women's rights activist, and former First Lady of El Salvador from 2009 until 2014.
Relevant evidence: No