Question: where was the movie the bridge on the river kwai filmed
[{'answer': 'Ceylon', 'provenance': [{'wikipedia_id': '42856', 'title': 'The Bridge on the River Kwai', 'start_paragraph_id': 10, 'start_character': 40, 'end_paragraph_id': 10, 'end_character': 46, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'answer': 'The bridge in the film was near Kitulgala'}]