Question: what is the current season of walking dead
[{'answer': 'eighth season', 'provenance': [{'wikipedia_id': '49550011', 'title': 'The Walking Dead (season 8)', 'start_paragraph_id': 1, 'start_character': 4, 'end_paragraph_id': 1, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '49550011', 'title': 'The Walking Dead (season 8)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 721, 'bleu_score': 0.9389888293801011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12725947656010208196}, 'section': 'Section::::Abstract.'}]}]