Question: who is left of the original walking dead cast
[{'answer': 'Andrew Lincoln', 'provenance': [{'wikipedia_id': '31997066', 'title': 'List of The Walking Dead (TV series) characters', 'start_paragraph_id': 4, 'start_character': 26, 'end_paragraph_id': 4, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Rick Grimes.\n'}]}, {'answer': 'Norman Reedus', 'provenance': [{'wikipedia_id': '31997066', 'title': 'List of The Walking Dead (TV series) characters', 'start_paragraph_id': 22, 'start_character': 26, 'end_paragraph_id': 22, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Daryl Dixon.\n'}]}, {'answer': 'Melissa McBride', 'provenance': [{'wikipedia_id': '31997066', 'title': 'List of The Walking Dead (TV series) characters', 'start_paragraph_id': 25, 'start_character': 29, 'end_paragraph_id': 25, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Carol Peletier.\n'}]}, {'answer': 'Lennie James', 'provenance': [{'wikipedia_id': '31997066', 'title': 'List of The Walking Dead (TV series) characters', 'start_paragraph_id': 59, 'start_character': 27, 'end_paragraph_id': 59, 'end_character': 39, 'bleu_score': 1.0, 'section': 'Section::::Main characters.:Morgan Jones.\n'}]}]