Question: when did the spanish land in south america
[{'answer': '1519', 'provenance': [{'wikipedia_id': '53091', 'title': 'Spanish colonization of the Americas', 'start_paragraph_id': 9, 'start_character': 103, 'end_paragraph_id': 9, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Conquests.:Mexico.\n'}]}, {'provenance': [{'wikipedia_id': '53091', 'title': 'Spanish colonization of the Americas', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 612, 'bleu_score': 0.9298067479798071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11485999515347758704}, 'section': 'Section::::Conquests.:Mexico.\n'}]}]