Question: what does the prefix von mean in german
[{'answer': 'nobiliary particle', 'provenance': [{'wikipedia_id': '1605918', 'title': 'Von', 'start_paragraph_id': 1, 'start_character': 61, 'end_paragraph_id': 1, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'of', 'provenance': [{'wikipedia_id': '1605918', 'title': 'Von', 'start_paragraph_id': 1, 'start_character': 172, 'end_paragraph_id': 1, 'end_character': 174, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'from', 'provenance': [{'wikipedia_id': '1605918', 'title': 'Von', 'start_paragraph_id': 1, 'start_character': 180, 'end_paragraph_id': 1, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1605918', 'title': 'Von', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 184, 'bleu_score': 0.5935292919444001, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4379181794210876786}, 'section': 'Section::::Abstract.'}]}]