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Find a Wikipedia image that answers this question: What shape is the largest window on the front of Washington National Cathedral?

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Represent the given Wikipedia image with related text information: 12-07-12-Washington National Cathedral-RalfR-N3S 5678-5694.

['<|image_1|>\nRepresent the given Wikipedia image with related text information: Cathedral of learning lights.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Christ Church Cathedral, Nashville Christ Church Cathedral in Nashville, Tennessee, USA, as seen from Broadway.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: National Museum of Natural History, Washington.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Christ Church Cathedral Montreal 32.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Notre Dame Basilica, Montreal - panoramio (1).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Nativity Episcopal Cathedral, Fountain Hill HD 01  Fountain Hill Historic District is a national historic district located at Bethlehem, Lehigh County and Northampton County, Pennsylvania. Nativity Episcopal Cathedral (c. 1866). Corner of W 3rd St. and Wyandotte St.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Christ Church Cathedral, Oxford Interior of Christ Church Cathedral, Christ Church Oxford, England.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Christ Church Cathedral, Dublin - panoramio.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Hub Front.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Christ Church Cathedral Interior 2, Oxford, UK - Diliff Looking east towards the altar from the nave of Christ Church Cathedral, Oxford, England. The cathedral is also the chapel of Christ Church, one of the colleges of the University of Oxford.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Notre-Dame de Paris 2013-07-24 Cathedral Notre Dame de Paris, West view, Paris, France.\n']
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