Question: who was the first european explorer in the area where texas is now located
[{'answer': 'Alonso Álvarez de Pineda', 'provenance': [{'wikipedia_id': '2050354', 'title': 'History of Texas', 'start_paragraph_id': 21, 'start_character': 36, 'end_paragraph_id': 21, 'end_character': 60, 'bleu_score': 1.0, 'section': 'Section::::Early Spanish exploration.\n'}]}, {'provenance': [{'wikipedia_id': '2050354', 'title': 'History of Texas', 'start_paragraph_id': 21, 'start_character': 0, 'end_paragraph_id': 21, 'end_character': 336, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15425410470138525879}, 'section': 'Section::::Early Spanish exploration.\n'}]}]