Question: who plays mr rosso in freaks and geeks
[{'answer': 'David ( Gruber ) Allen', 'provenance': [{'wikipedia_id': '2188557', 'title': 'Dave Allen (actor)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2188557', 'title': 'Dave Allen (actor)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 577, 'bleu_score': 0.9450701851959151, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10337986442691763359}, 'section': 'Section::::Abstract.'}]}]