Question: how much venom can a king cobra produce
[{'answer': 'up to 7 ml', 'provenance': [{'wikipedia_id': '168503', 'title': 'King cobra', 'start_paragraph_id': 42, 'start_character': 133, 'end_paragraph_id': 42, 'end_character': 143, 'bleu_score': 1.0, 'section': 'Section::::Venom.\n'}]}, {'answer': '420 mg', 'provenance': [{'wikipedia_id': '168503', 'title': 'King cobra', 'start_paragraph_id': 42, 'start_character': 203, 'end_paragraph_id': 42, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Venom.\n'}]}, {'answer': '200 to 500 mg', 'provenance': [{'wikipedia_id': '168503', 'title': 'King cobra', 'start_paragraph_id': 42, 'start_character': 119, 'end_paragraph_id': 42, 'end_character': 132, 'bleu_score': 1.0, 'section': 'Section::::Venom.\n'}]}, {'provenance': [{'wikipedia_id': '168503', 'title': 'King cobra', 'start_paragraph_id': 42, 'start_character': 0, 'end_paragraph_id': 42, 'end_character': 866, 'bleu_score': 0.9865312178338931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16440713873071746243}, 'section': 'Section::::Venom.\n'}]}, {'provenance': [{'wikipedia_id': '168503', 'title': 'King cobra', 'section': 'Section::::Venom.\n', 'start_paragraph_id': 42, 'end_paragraph_id': 42, 'meta': {'evidence_span': ['This species is capable of delivering a fatal bite and the victim may receive a large quantity of venom with a dose of 200 to 500\xa0mg up to 7\xa0ml. Engelmann and Obst (1981) list the average venom yield at 420\xa0mg (dry weight). Accordingly, large quantities of antivenom may be needed to reverse the progression of symptoms developed if bitten by a king cobra.', 'This species is capable of delivering a fatal bite and the victim may receive a large quantity of venom with a dose of 200 to 500\xa0mg up to 7\xa0ml. Engelmann and Obst (1981) list the average venom yield at 420\xa0mg (dry weight).', 'This species is capable of delivering a fatal bite and the victim may receive a large quantity of venom with a dose of 200 to 500\xa0mg up to 7\xa0ml.']}}]}]