Question: who plays the homeless caddy in happy gilmore
[{'answer': 'Allen Covert', 'provenance': [{'wikipedia_id': '400797', 'title': 'Happy Gilmore', 'start_paragraph_id': 17, 'start_character': 12, 'end_paragraph_id': 17, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]