Question: who plays pebbles in the 1994 flintstones movie
[{'answer': 'Elaine & Melanie Silver', 'provenance': [{'wikipedia_id': '194664', 'title': 'The Flintstones (film)', 'start_paragraph_id': 18, 'start_character': 12, 'end_paragraph_id': 18, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '194664', 'title': 'The Flintstones (film)', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 57, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9830965186347595727}, 'section': 'Section::::Cast.\n'}]}]