Task: Question Answering
Input (English): Context: Adolphe Lechaptois (8 June 1852 -- 30 November 1917) was a priest of the White Fathers missionary society who was Vicar Apostolic of Tangyanika from 1891 until his death in 1917, in what is now Tanzania. 
 Question: What group was Adolphe Lechaptois a member of?
Output (English): white fathers