Question: who plays greg's mom in the long haul
[{'answer': 'Alicia Silverstone', 'provenance': [{'wikipedia_id': '51635756', 'title': 'Diary of a Wimpy Kid: The Long Haul (film)', 'start_paragraph_id': 14, 'start_character': 12, 'end_paragraph_id': 14, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}, {'provenance': [{'wikipedia_id': '51635756', 'title': 'Diary of a Wimpy Kid: The Long Haul (film)', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 62, 'bleu_score': 0.7598356856515921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5893834830042935368}, 'section': 'Section::::Cast.\n'}]}]