Question: who is the host of the big family cooking showdown
[{'answer': 'Hussain', 'provenance': [{'wikipedia_id': '48115518', 'title': 'Nadiya Hussain', 'start_paragraph_id': 0, 'start_character': 7, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Zoë Ball', 'provenance': [{'wikipedia_id': '48115518', 'title': 'Nadiya Hussain', 'start_paragraph_id': 19, 'start_character': 95, 'end_paragraph_id': 19, 'end_character': 103, 'bleu_score': 1.0, 'section': 'Section::::Television career.:2017: "Nadiya\'s British Food Adventure".\n'}]}]