Question: who captained the first european ship to sail around the tip of africa
[{'answer': 'Bartolomeu Dias', 'provenance': [{'wikipedia_id': '44252', 'title': 'Cape of Good Hope', 'start_paragraph_id': 3, 'start_character': 257, 'end_paragraph_id': 3, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44252', 'title': 'Cape of Good Hope', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4239284009471004758}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44252', 'title': 'Cape of Good Hope', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 579, 'bleu_score': 0.9450701851959151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4239284009471004758}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '44252', 'title': 'Cape of Good Hope', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['Thus, the first modern rounding of the cape in 1488 by Portuguese explorer Bartolomeu Dias was a milestone in the attempts by the Portuguese to establish direct trade relations with the Far East (although Herodotus mentioned a claim that the Phoenicians had done so far earlier). Dias called the cape "Cabo das Tormentas" ("Cape of Storms"; ), which was the original name of the "Cape of Good Hope".', 'Bartolomeu Dias']}}]}, {'provenance': [{'wikipedia_id': '45592', 'title': 'Bartolomeu Dias', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Bartolomeu Dias (; ; Anglicized: Bartholomew Diaz; c. 1450\xa0 29 May 1500), a nobleman of the Portuguese royal household, was a Portuguese explorer. He sailed around the southernmost tip of Africa in 1488, the first European to do so, setting up the route from Europe to Asia later on.', 'Bartolomeu Dias (; ; Anglicized: Bartholomew Diaz; c. 1450\xa0 29 May 1500), a nobleman of the Portuguese royal household, was a Portuguese explorer. He sailed around the southernmost tip of Africa in 1488, the first European to do so, setting up the route from Europe to Asia later on.', 'Bartolomeu Dias']}}]}, {'provenance': [{'wikipedia_id': '169271', 'title': 'History of the Cape Colony before 1806', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The written history of the Cape Colony in what is now South Africa began when Portuguese navigator Bartolomeu Dias became the first modern European to round the Cape of Good Hope in 1488.', 'The written history of the Cape Colony in what is now South Africa began when Portuguese navigator Bartolomeu Dias became the first modern European to round the Cape of Good Hope in 1488.', 'Bartolomeu Dias']}}]}]