Question: the a word series 2 how many episodes
[{'answer': '6', 'provenance': [{'wikipedia_id': '49914839', 'title': 'The A Word', 'start_paragraph_id': 1, 'start_character': 327, 'end_paragraph_id': 1, 'end_character': 328, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]