Question: when did north america arrive at the location it is in today
[{'answer': 'mid-Cretaceous period', 'provenance': [{'wikipedia_id': '21139', 'title': 'North America', 'start_paragraph_id': 22, 'start_character': 727, 'end_paragraph_id': 22, 'end_character': 748, 'bleu_score': 1.0, 'section': 'Section::::History.:Geologic history.\n'}]}, {'provenance': [{'wikipedia_id': '21139', 'title': 'North America', 'start_paragraph_id': 22, 'start_character': 0, 'end_paragraph_id': 22, 'end_character': 1209, 'bleu_score': 0.9773946896962181, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13370662608262569631}, 'section': 'Section::::History.:Geologic history.\n'}]}]