Question: who plays david underhill on big bang theory
[{'answer': 'Edward Michael Trucco', 'provenance': [{'wikipedia_id': '3083311', 'title': 'Michael Trucco', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3083311', 'title': 'Michael Trucco', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 295, 'bleu_score': 0.858798295665063, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5409449004370888210}, 'section': 'Section::::Abstract.'}]}]