Question: what goes on the bottom of shepherd's pie
[{'answer': 'mashed potato', 'provenance': [{'wikipedia_id': '202533', 'title': "Shepherd's pie", 'start_paragraph_id': 1, 'start_character': 99, 'end_paragraph_id': 1, 'end_character': 112, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'minced meat'}, {'provenance': [{'wikipedia_id': '202533', 'title': "Shepherd's pie", 'start_paragraph_id': 2, 'start_character': 36, 'end_paragraph_id': 2, 'end_character': 373, 'bleu_score': 0.519214220815263, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7690349719576157108}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '202533', 'title': "Shepherd's pie", 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 206, 'bleu_score': 0.8339457308894521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7690349719576157108}, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '202533', 'title': "Shepherd's pie", 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7690349719576157108}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '202533', 'title': "Shepherd's pie", 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["Shepherd's pie (lamb) or cottage pie (ground/minced beef) is a meat pie with a crust or topping of mashed potato", "Shepherd's pie (lamb) or cottage pie (ground/minced beef) is a meat pie with a crust or topping of mashed potato."]}}]}]