Question: where did the story the epic of gilgamesh originate
[{'answer': 'ancient Mesopotamia', 'provenance': [{'wikipedia_id': '80028', 'title': 'Epic of Gilgamesh', 'start_paragraph_id': 1, 'start_character': 46, 'end_paragraph_id': 1, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '80028', 'title': 'Epic of Gilgamesh', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1048, 'bleu_score': 0.908829561270574, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17435452712165273118}, 'section': 'Section::::Abstract.'}]}]