Question: number of languages spoken in the united states
[{'answer': 'over 350', 'provenance': [{'wikipedia_id': '63881', 'title': 'Languages of the United States', 'start_paragraph_id': 2, 'start_character': 350, 'end_paragraph_id': 2, 'end_character': 358, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]