Question: how many grams of alcohol in one beer
[{'answer': '14 grams', 'provenance': [{'wikipedia_id': '922129', 'title': 'Standard drink', 'start_paragraph_id': 3, 'start_character': 67, 'end_paragraph_id': 3, 'end_character': 75, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'about 14 grams of alcohol', 'provenance': [{'wikipedia_id': '922129', 'title': 'Standard drink', 'start_paragraph_id': 3, 'start_character': 61, 'end_paragraph_id': 3, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': '14', 'provenance': [{'wikipedia_id': '922129', 'title': 'Standard drink', 'start_paragraph_id': 3, 'start_character': 67, 'end_paragraph_id': 3, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '922129', 'title': 'Standard drink', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['For example, in the United States, a standard drink contains about 14 grams of alcohol. This corresponds to a glass of beer, a glass of 12% ABV (alcohol by volume) wine, or a so-called "shot" of spirit.', 'For example, in the United States, a standard drink contains about 14 grams of alcohol.', 'a standard drink contains about 14 grams of alcohol.']}}]}]