Question: when did the wheel of time series start
[{'answer': 'January , 1990'}, {'provenance': [{'wikipedia_id': '42571', 'title': 'The Wheel of Time', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 393, 'bleu_score': 0.910727959048047, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7037125569729198238}, 'section': 'Section::::Abstract.'}]}]