Question: who played the original nick tilsley in coronation street
[{'answer': 'Warren Jackson', 'provenance': [{'wikipedia_id': '3285383', 'title': 'Nick Tilsley', 'start_paragraph_id': 1, 'start_character': 271, 'end_paragraph_id': 1, 'end_character': 285, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3285383', 'title': 'Nick Tilsley', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 778, 'bleu_score': 0.8801448038323351, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14837892113146972221}, 'section': 'Section::::Abstract.'}]}]