Question: how many catholic diocese do we have in nigeria
[{'answer': '44 suffragan dioceses', 'provenance': [{'wikipedia_id': '18517073', 'title': 'List of Catholic dioceses in Nigeria', 'start_paragraph_id': 3, 'start_character': 28, 'end_paragraph_id': 3, 'end_character': 49, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]