Question: what is the most common language spoken in the middle east
[{'answer': 'Arabic', 'provenance': [{'wikipedia_id': '19323', 'title': 'Middle East', 'start_paragraph_id': 19, 'start_character': 59, 'end_paragraph_id': 19, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Terminology.:Translations.\n'}]}, {'provenance': [{'wikipedia_id': '19323', 'title': 'Middle East', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 694, 'bleu_score': 0.9389888293801011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18255140217169371596}, 'section': 'Section::::Demographics.:Languages.\n'}]}]