Question: who plays emma's son in life unexpected
[{'answer': 'Landon Liboiron', 'provenance': [{'wikipedia_id': '22951088', 'title': 'Life Unexpected', 'start_paragraph_id': 32, 'start_character': 12, 'end_paragraph_id': 32, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Cast.\n'}]}]