Question: what potion did harry potter take to get slughorn's memories
[{'answer': 'Felix Felicis', 'provenance': [{'wikipedia_id': '21419143', 'title': 'Potions in Harry Potter', 'start_paragraph_id': 7, 'start_character': 686, 'end_paragraph_id': 7, 'end_character': 699, 'bleu_score': 1.0, 'section': 'Section::::Draught of Living Death.\n'}]}, {'provenance': [{'wikipedia_id': '21419143', 'title': 'Potions in Harry Potter', 'start_paragraph_id': 11, 'start_character': 0, 'end_paragraph_id': 11, 'end_character': 1303, 'bleu_score': 0.990970423521577, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14599394413838503787}, 'section': 'Section::::Felix Felicis.\n'}]}]