Question: first explorer to discover new land west of europe and africa
[{'answer': 'Christopher Columbus', 'provenance': [{'wikipedia_id': '690842', 'title': 'Age of Discovery', 'start_paragraph_id': 2, 'start_character': 268, 'end_paragraph_id': 2, 'end_character': 288, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '690842', 'title': 'Age of Discovery', 'start_paragraph_id': 55, 'start_character': 0, 'end_paragraph_id': 55, 'end_character': 1232, 'bleu_score': 0.989873091526375, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16410895193686279948}, 'section': 'Section::::Atlantic Ocean (1419–1507).:Spanish exploration: Columbus and the West Indies.\n'}]}]