Question: who played bam bam in the flintstone movie
[{'answer': 'Hlynur & Marinó Sigurðsson', 'provenance': [{'wikipedia_id': '194664', 'title': 'The Flintstones (film)', 'start_paragraph_id': 19, 'start_character': 12, 'end_paragraph_id': 19, 'end_character': 37, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]