Question: where does the name du plessis come from
[{'answer': 'Afrikaans', 'provenance': [{'wikipedia_id': '16825439', 'title': 'Plessis', 'start_paragraph_id': 1, 'start_character': 9, 'end_paragraph_id': 1, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16825439', 'title': 'Plessis', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 106, 'bleu_score': 0.7483293841345241, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12615067531763802236}, 'section': 'Section::::Abstract.'}]}]