Question: who is the actor who played spartacus in spartacus blood and sand
[{'answer': 'Andy Whitfield', 'provenance': [{'wikipedia_id': '19661665', 'title': 'Andy Whitfield', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19661665', 'title': 'Andy Whitfield', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 0.796279797541904, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17900169522179723602}, 'section': 'Section::::Abstract.'}]}]