Question: who is the proponent of the arena theater
[{'answer': 'Severino Montano', 'provenance': [{'wikipedia_id': '10174873', 'title': 'Severino Montano', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10174873', 'title': 'Severino Montano', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 467, 'bleu_score': 0.9073361345830181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11567504132990356189}, 'section': 'Section::::Abstract.'}]}]