Question: Manuel Quintas de Almeida, was a lieutenant in the military of São Tomé and Príncipe, a Portuguese-speaking island nation, in which location?
Sentence (from "Água Grande District"): Covering only 17 km2 , it is the smallest of the nation's seven districts in terms of area, but the largest in population with 73,091 residents (2012).
Relevant evidence: No