Question: who has won pfa player of the year 2018
[{'answer': 'Mohamed Salah'}, {'provenance': [{'wikipedia_id': '1276823', 'title': "PFA Players' Player of the Year", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 565, 'bleu_score': 0.7699979046771681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13921803165065880299}, 'section': 'Section::::Abstract.'}]}]