Question: which club is the owner of stamford bridge
[{'answer': 'Chelsea Pitch Owners plc', 'provenance': [{'wikipedia_id': '666456', 'title': 'Stamford Bridge (stadium)', 'start_paragraph_id': 65, 'start_character': 524, 'end_paragraph_id': 65, 'end_character': 548, 'bleu_score': 1.0, 'section': 'Section::::Future: Stamford Bridge Redevelopment Project.:Exploration of alternative sites.\n'}]}]