Question: who are the hosts of great british baking show
[{'answer': 'Noel Fielding', 'provenance': [{'wikipedia_id': '28962227', 'title': 'The Great British Bake Off', 'start_paragraph_id': 2, 'start_character': 175, 'end_paragraph_id': 2, 'end_character': 188, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Sandi Toksvig', 'provenance': [{'wikipedia_id': '28962227', 'title': 'The Great British Bake Off', 'start_paragraph_id': 2, 'start_character': 193, 'end_paragraph_id': 2, 'end_character': 206, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28962227', 'title': 'The Great British Bake Off', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 406, 'bleu_score': 0.7548502762416951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9018030143124369123}, 'section': 'Section::::Abstract.'}]}]