Question: how many cigarettes in a pack in the us
[{'answer': 'at least 20', 'provenance': [{'wikipedia_id': '4870997', 'title': 'Cigarette pack', 'start_paragraph_id': 10, 'start_character': 67, 'end_paragraph_id': 10, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Package size.:Pack.\n'}]}, {'provenance': [{'wikipedia_id': '4870997', 'title': 'Cigarette pack', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 216, 'bleu_score': 0.7944246516060781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1785691487814662635}, 'section': 'Section::::Package size.:Pack.\n'}]}]