Question: how many french speaking country in west africa
[{'answer': 'eight', 'provenance': [{'wikipedia_id': '292705', 'title': 'French West Africa', 'start_paragraph_id': 1, 'start_character': 47, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '292705', 'title': 'French West Africa', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 313, 'bleu_score': 0.8562773802729161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8895499198453847433}, 'section': 'Section::::Abstract.'}]}]