Question: who sings how long will i love you in the movie about time
[{'answer': 'English singer Ellie Goulding', 'provenance': [{'wikipedia_id': '40780880', 'title': 'How Long Will I Love You?', 'start_paragraph_id': 1, 'start_character': 228, 'end_paragraph_id': 1, 'end_character': 257, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40780880', 'title': 'How Long Will I Love You?', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 489, 'bleu_score': 0.977139080690077, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15217258029681971567}, 'section': 'Section::::Abstract.'}]}]