Question: what is the most popular religion in ukraine
[{'answer': 'Christianity', 'provenance': [{'wikipedia_id': '9673688', 'title': 'Religion in Ukraine', 'start_paragraph_id': 1, 'start_character': 78, 'end_paragraph_id': 1, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]