Question: how many countries have the official language of french
[{'answer': '29', 'provenance': [{'wikipedia_id': '3337316', 'title': 'List of territorial entities where French is an official language', 'start_paragraph_id': 1, 'start_character': 34, 'end_paragraph_id': 1, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3337316', 'title': 'List of territorial entities where French is an official language', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 168, 'bleu_score': 0.664452563854799, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13826002799541782338}, 'section': 'Section::::Abstract.'}]}]