original_query: Who was the focus of the revival movement within the Bengali Vaishnavas in the late 19th century?
   What is the most relevant chunk to answer the query?
query: Who was the focus of the revival movement within the Bengali Vaishnavas in the late 19th century?
answer: Prabhu Jagadbandhu was the focus of the revival movement within the Bengali Vaishnavas in the late 19th century.