Question: When is Dulce Figueiredo's husband's birthday?
Sentence (from "Dulce Figueiredo"): Dulce Maria de Guimarães Figueiredo (May 11, 1928 – June 6, 2011) was the wife of former Brazilian president João Figueiredo and thus the First Lady of Brazil from 1979 to 1985.
Relevant evidence: Yes