Question: In which month was the man born, who wrote the cantata Oma maa?
Sentence (from "Deolinda Rodríguez de Almeida"): Deolinda Rodríguez de Almeida ( ) (also, Deolinda Rodrigues Francisco de Almeida; pseudonym, Langidila; nickname, "Mother of the Revolution"; 10 February 1939 – 1968) was an Angolan nationalist, heroine, militant, writer, and translator, who also taught, wrote poetry, and worked as a radio host.
Relevant evidence: No