Question: what afl teams home ground is the mcg
[{'answer': 'Richmond', 'provenance': [{'wikipedia_id': '19765', 'title': 'Melbourne Cricket Ground', 'start_paragraph_id': 1, 'start_character': 456, 'end_paragraph_id': 1, 'end_character': 464, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'North Melbourne', 'provenance': [{'wikipedia_id': '19765', 'title': 'Melbourne Cricket Ground', 'start_paragraph_id': 69, 'start_character': 342, 'end_paragraph_id': 69, 'end_character': 357, 'bleu_score': 1.0, 'section': 'Section::::Australian rules football.:Origins.\n'}]}, {'answer': 'Essendon'}, {'answer': 'Collingwood', 'provenance': [{'wikipedia_id': '19765', 'title': 'Melbourne Cricket Ground', 'start_paragraph_id': 78, 'start_character': 248, 'end_paragraph_id': 78, 'end_character': 259, 'bleu_score': 1.0, 'section': 'Section::::Australian rules football.:The MCG and the VFL/AFL.\n'}]}, {'answer': 'Hawthorn'}, {'provenance': [{'wikipedia_id': '19765', 'title': 'Melbourne Cricket Ground', 'start_paragraph_id': 69, 'start_character': 0, 'end_paragraph_id': 69, 'end_character': 377, 'bleu_score': 0.804125225265741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7107771490004584379}, 'section': 'Section::::Australian rules football.:Origins.\n'}]}]