Question: what is the full meaning of ak 47
[{'answer': "Kalashnikov 's Automatic Rifle"}, {'provenance': [{'wikipedia_id': '1348', 'title': 'AK-47', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 267, 'bleu_score': 0.5052922639977631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9108817885238121512}, 'section': 'Section::::Abstract.'}]}]