Question: who played billy hazard in north and south
[{'answer': 'Parker Stevenson', 'provenance': [{'wikipedia_id': '4969625', 'title': 'North and South (miniseries)', 'start_paragraph_id': 4, 'start_character': 510, 'end_paragraph_id': 4, 'end_character': 526, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '4969625', 'title': 'North and South (miniseries)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 580, 'bleu_score': 0.979896933041101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17735320781111540794}, 'section': 'Section::::Cast.\n'}]}]