Question: who topped the charts in 2002 with imagine
[{'answer': 'Eva Cassidy', 'provenance': [{'wikipedia_id': '22846011', 'title': '2002 in British music charts', 'start_paragraph_id': 34, 'start_character': 616, 'end_paragraph_id': 34, 'end_character': 627, 'bleu_score': 1.0, 'section': 'Section::::Summary.:Charts.:August.\n'}]}, {'provenance': [{'wikipedia_id': '22846011', 'title': '2002 in British music charts', 'start_paragraph_id': 34, 'start_character': 0, 'end_paragraph_id': 34, 'end_character': 818, 'bleu_score': 0.9870543337942441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2400611576313277471}, 'section': 'Section::::Summary.:Charts.:August.\n'}]}]