Question: who plays the warlock lord on shannara chronicles
[{'answer': 'Jonathan Manu Bennett', 'provenance': [{'wikipedia_id': '17752482', 'title': 'Manu Bennett', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17752482', 'title': 'Manu Bennett', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 309, 'bleu_score': 0.9118021019905901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11284968309229529569}, 'section': 'Section::::Abstract.'}]}]