Question: who plays sam on grey's anatomy season 14
[{'answer': 'Jeanine Mason', 'provenance': [{'wikipedia_id': '54041689', 'title': "Grey's Anatomy (season 14)", 'start_paragraph_id': 12, 'start_character': 65, 'end_paragraph_id': 12, 'end_character': 78, 'bleu_score': 1.0, 'section': 'Section::::Plots.\n'}]}]