Question: who portrayed with nail in the film withnail and i
[{'answer': 'Richard E. Grant', 'provenance': [{'wikipedia_id': '343404', 'title': 'Withnail and I', 'start_paragraph_id': 1, 'start_character': 224, 'end_paragraph_id': 1, 'end_character': 240, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '343404', 'title': 'Withnail and I', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 520, 'bleu_score': 0.7682846866799, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15134963441691368914}, 'section': 'Section::::Abstract.'}]}]