Question: what is the most popular beer brand in germany
[{'answer': 'Oettinger', 'provenance': [{'wikipedia_id': '1745155', 'title': 'Beer in Germany', 'start_paragraph_id': 38, 'start_character': 9, 'end_paragraph_id': 38, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Brands and breweries.\n'}]}]