Question: where does the concept of zombies come from
[{'answer': 'Haitian folklore', 'provenance': [{'wikipedia_id': '9810476', 'title': 'Zombie', 'start_paragraph_id': 1, 'start_character': 192, 'end_paragraph_id': 1, 'end_character': 208, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9810476', 'title': 'Zombie', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 518, 'bleu_score': 0.8154398197092371, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9279541935139591529}, 'section': 'Section::::Abstract.'}]}]