Question: Which film has the director who is older than the other, Afrika (Film) or Man From The Deep River? 
Sentence (from "Umberto Lenzi"): A fan of film since young age, Lenzi studied at the Centro Sperimentale di Cinematografia and made his first film in 1958 which went unreleased, while his official debut happened in 1961 with "Queen of the Seas".
Relevant evidence: No