Question: who does kate work for in this is us
[{'answer': 'her brother , Kevin'}, {'provenance': [{'wikipedia_id': '52995471', 'title': 'List of This Is Us characters', 'start_paragraph_id': 38, 'start_character': 0, 'end_paragraph_id': 38, 'end_character': 370, 'bleu_score': 0.8260826472516211, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5969820489867629845}, 'section': 'Section::::Main characters.:Kate Pearson.\n'}]}]