Question: who wrote the song the weight by the band
[{'answer': 'Band member Robbie Robertson', 'provenance': [{'wikipedia_id': '1513951', 'title': 'The Weight', 'start_paragraph_id': 1, 'start_character': 196, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1513951', 'title': 'The Weight', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 948, 'bleu_score': 0.9878413801697931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8569666965096219083}, 'section': 'Section::::Abstract.'}]}]