Question: who mapped the coastline of texas in 1519
[{'answer': 'Álvarez de Pineda', 'provenance': [{'wikipedia_id': '1050052', 'title': 'Alonso Álvarez de Pineda', 'start_paragraph_id': 0, 'start_character': 7, 'end_paragraph_id': 0, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1050052', 'title': 'Alonso Álvarez de Pineda', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 561, 'bleu_score': 0.980097014099621, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 255581673040953723}, 'section': 'Section::::Abstract.'}]}]