Question: what is the name of the largest part of the human brain
[{'answer': 'cerebrum', 'provenance': [{'wikipedia_id': '490620', 'title': 'Human brain', 'start_paragraph_id': 1, 'start_character': 154, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '490620', 'title': 'Human brain', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 1053, 'bleu_score': 0.6579389620253311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13425728760807272456}, 'section': 'Section::::Abstract.'}]}]