Question:  Sir Brian William Vickers is known for his work on the history of which philosopher who passed away in 1626 ?
Sentence (from "Open information extraction"): A proposition can be understood as truth-bearer, a textual expression of a potential fact (e.g., "Dante wrote the Divine Comedy"), represented in an amenable structure for computers [e.g., ("Dante", "wrote", "Divine Comedy")].
Relevant evidence: No