Question: europes pioneer in the area of exploration was
[{'answer': 'Henry the Navigator', 'provenance': [{'wikipedia_id': '2041178', 'title': 'European exploration of Africa', 'start_paragraph_id': 2, 'start_character': 125, 'end_paragraph_id': 2, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2041178', 'title': 'European exploration of Africa', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 787, 'bleu_score': 0.965400604802336, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9560685628051440540}, 'section': 'Section::::Abstract.'}]}]