Question: who is the nigerian current speaker of house of assembly
[{'answer': 'Yakubu Dogara'}, {'provenance': [{'wikipedia_id': '11041304', 'title': 'Speaker of the House of Representatives of Nigeria', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 207, 'bleu_score': 0.62365556811333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7123700852485372264}, 'section': 'Section::::Abstract.'}]}]