Question: who plays sven in the santa clarita diet
[{'answer': 'Leo Howard', 'provenance': [{'wikipedia_id': '49844655', 'title': 'Santa Clarita Diet', 'start_paragraph_id': 44, 'start_character': 12, 'end_paragraph_id': 44, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Guest.\n'}]}, {'provenance': [{'wikipedia_id': '49844655', 'title': 'Santa Clarita Diet', 'start_paragraph_id': 44, 'start_character': 0, 'end_paragraph_id': 44, 'end_character': 111, 'bleu_score': 0.8600551563736071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5622620834330718243}, 'section': 'Section::::Cast.:Guest.\n'}]}, {'provenance': [{'wikipedia_id': '49844655', 'title': 'Santa Clarita Diet', 'section': 'Section::::Cast.:Guest.\n', 'start_paragraph_id': 44, 'end_paragraph_id': 44, 'meta': {'evidence_span': ["BULLET::::- Leo Howard as Sven, a student who asked Abby out in Season 2 after the tray incident, hurting Eric's feelings\rhighlight sentence(s) containing evidence, not only the answer", "BULLET::::- Leo Howard as Sven, a student who asked Abby out in Season 2 after the tray incident, hurting Eric's feelings", "BULLET::::- Leo Howard as Sven, a student who asked Abby out in Season 2 after the tray incident, hurting Eric's feeling"]}}]}]