Question: when does the worst witch season 2 start
[{'answer': '8 January 2018', 'provenance': [{'wikipedia_id': '50891336', 'title': 'The Worst Witch (2017 TV series)', 'start_paragraph_id': 2, 'start_character': 377, 'end_paragraph_id': 2, 'end_character': 391, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50891336', 'title': 'The Worst Witch (2017 TV series)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 391, 'bleu_score': 0.9348189981364851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2391986348451924907}, 'section': 'Section::::Abstract.'}]}]