Question: who is the leader of the baptist denomination
[{'answer': 'Thomas Helwys', 'provenance': [{'wikipedia_id': '3979', 'title': 'Baptists', 'start_paragraph_id': 3, 'start_character': 460, 'end_paragraph_id': 3, 'end_character': 473, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3979', 'title': 'Baptists', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1025, 'bleu_score': 0.772750479323113, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6500749346305334715}, 'section': 'Section::::Abstract.'}]}]