Question: who wrote the song i'll be seeing you
[{'answer': 'Sammy Fain', 'provenance': [{'wikipedia_id': '6976017', 'title': "I'll Be Seeing You (song)", 'start_paragraph_id': 1, 'start_character': 70, 'end_paragraph_id': 1, 'end_character': 80, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Irving Kahal', 'provenance': [{'wikipedia_id': '6976017', 'title': "I'll Be Seeing You (song)", 'start_paragraph_id': 1, 'start_character': 95, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]