Question: where is the name pan flute derived from
[{'answer': 'myths of Pan', 'provenance': [{'wikipedia_id': '78881', 'title': 'Pan (god)', 'start_paragraph_id': 19, 'start_character': 18, 'end_paragraph_id': 19, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Mythology.:Nymphs.\n'}]}, {'provenance': [{'wikipedia_id': '78881', 'title': 'Pan (god)', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 848, 'bleu_score': 0.9700126434602441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1437393955326085681}, 'section': 'Section::::Mythology.:Nymphs.\n'}]}]