Question: who represented uk in eurovision song contest 2018
[{'answer': 'SuRie', 'provenance': [{'wikipedia_id': '1851063', 'title': 'UK national selection for the Eurovision Song Contest', 'start_paragraph_id': 42, 'start_character': 336, 'end_paragraph_id': 42, 'end_character': 341, 'bleu_score': 1.0, 'section': 'Section::::History.:2010s.\n'}]}, {'provenance': [{'wikipedia_id': '1851063', 'title': 'UK national selection for the Eurovision Song Contest', 'start_paragraph_id': 42, 'start_character': 0, 'end_paragraph_id': 42, 'end_character': 613, 'bleu_score': 0.9587365925518061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8530962045731963422}, 'section': 'Section::::History.:2010s.\n'}]}]