Question: when did the first spanish explore north america who was it where did they land
[{'answer': '1492', 'provenance': [{'wikipedia_id': '53091', 'title': 'Spanish colonization of the Americas', 'start_paragraph_id': 2, 'start_character': 19, 'end_paragraph_id': 2, 'end_character': 23, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Christopher Columbus', 'provenance': [{'wikipedia_id': '53091', 'title': 'Spanish colonization of the Americas', 'start_paragraph_id': 2, 'start_character': 35, 'end_paragraph_id': 2, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Caribbean Islands', 'provenance': [{'wikipedia_id': '53091', 'title': 'Spanish colonization of the Americas', 'start_paragraph_id': 2, 'start_character': 183, 'end_paragraph_id': 2, 'end_character': 200, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53091', 'title': 'Spanish colonization of the Americas', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 552, 'bleu_score': 0.8537016138816471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2782477158457339958}, 'section': 'Section::::Abstract.'}]}]