Question: who were the first non native settlers in the us
[{'answer': 'European colonization', 'provenance': [{'wikipedia_id': '52447', 'title': 'European colonization of the Americas', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'West Norse sailors'}, {'provenance': [{'wikipedia_id': '52447', 'title': 'European colonization of the Americas', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7707355247299856819}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1239866', 'title': 'Population history of indigenous peoples of the Americas', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['by the end of the 20th century most scholars gravitated to a middle estimate of around 50 million, with some historians arguing for an estimate of 200 million or more. Contact with the Europeans led to the European colonization of the Americas, in which millions of immigrants from Europe eventually settled in the Americas', 'Contact with the Europeans led to the European colonization of the Americas, in which millions of immigrants from Europe eventually settled in the Americas.', 'The population figure of indigenous peoples of the Americas before the 1492 Spanish voyage of Christopher Columbus has proven difficult to establish. Scholars rely on archaeological data and written records from European settlers. Most scholars writing at the end of the 19th century estimated that the pre-Columbian population was as low as 10 million; by the end of the 20th century most scholars gravitated to a middle estimate of around 50 million, with some historians arguing for an estimate of 200 million or more. Contact with the Europeans led to the European colonization of the Americas, in which millions of immigrants from Europe eventually settled in the Americas.\rhighlight sentence(s) containing evidence, not only the answer']}}]}]