Question: who plays lucas mendoza in alexa and katie
[{'answer': 'Emery Kelly', 'provenance': [{'wikipedia_id': '53718201', 'title': 'Alexa & Katie', 'start_paragraph_id': 1, 'start_character': 230, 'end_paragraph_id': 1, 'end_character': 241, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53718201', 'title': 'Alexa & Katie', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 32, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1284471549775009915}, 'section': 'Section::::Cast.:Main.\n'}]}]