Question: when did white settlers arrived in south africa
[{'answer': '6 April 1652', 'provenance': [{'wikipedia_id': '65638', 'title': 'History of South Africa', 'start_paragraph_id': 27, 'start_character': 574, 'end_paragraph_id': 27, 'end_character': 586, 'bleu_score': 1.0, 'section': 'Section::::Dutch colonisation (1652–1815).\n'}]}, {'provenance': [{'wikipedia_id': '65638', 'title': 'History of South Africa', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 586, 'bleu_score': 0.9802931511945101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11943731873944238545}, 'section': 'Section::::Dutch colonisation (1652–1815).\n'}]}]