Question: who has won the most trebles in scottish football
[{'answer': 'Celtic', 'provenance': [{'wikipedia_id': '2261999', 'title': 'Treble (association football)', 'start_paragraph_id': 3, 'start_character': 228, 'end_paragraph_id': 3, 'end_character': 234, 'bleu_score': 1.0, 'section': 'Section::::Continental trebles.\n'}]}]