Question: what is the largest ethnic group in germany
[{'answer': 'European', 'provenance': [{'wikipedia_id': '11929', 'title': 'Demographics of Germany', 'start_paragraph_id': 1, 'start_character': 302, 'end_paragraph_id': 1, 'end_character': 310, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]