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 "China–São Tomé and Príncipe relations"): However, in 2013, the People's Republic of China established a trade office in São Tomé and Príncipe, and the next year President Manuel Pinto da Costa visited China in a private capacity.
Relevant evidence: No