Question: what were the deathly hallows in harry potter
[{'answer': 'an unbeatable wand', 'provenance': [{'wikipedia_id': '776049', 'title': 'Harry Potter and the Deathly Hallows', 'start_paragraph_id': 11, 'start_character': 408, 'end_paragraph_id': 11, 'end_character': 426, 'bleu_score': 1.0, 'section': 'Section::::Plot.:Summary.\n'}]}, {'answer': 'a cloak of invisibility', 'provenance': [{'wikipedia_id': '776049', 'title': 'Harry Potter and the Deathly Hallows', 'start_paragraph_id': 24, 'start_character': 181, 'end_paragraph_id': 24, 'end_character': 204, 'bleu_score': 1.0, 'section': 'Section::::Background.:Choice of title.\n'}]}, {'answer': 'a stone to bring the dead to life'}, {'provenance': [{'wikipedia_id': '776049', 'title': 'Harry Potter and the Deathly Hallows', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 615, 'bleu_score': 0.516722960214544, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16678376058675584010}, 'section': 'Section::::Abstract.'}]}]