Question: where did dinosaurs roam in the united states
[{'answer': 'North America .', 'provenance': [{'wikipedia_id': '22608243', 'title': 'List of North American dinosaurs', 'start_paragraph_id': 6, 'start_character': 108, 'end_paragraph_id': 6, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '22608243', 'title': 'List of North American dinosaurs', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 163, 'bleu_score': 0.9271474438253491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11920187841041991207}, 'section': 'Section::::Abstract.'}]}]