user: Question: Who built the Conant Creek Pegram Truss Railroad Bridge?
Columns: ['Name', 'Built', 'Listed', 'Location', 'County']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Boise River and Canal Bridge', '1922', '2007-02-07', 'Caldwell', 'Canyon']
SQL:

assistant: SELECT "Built" FROM "Table" WHERE "Name" = 'Conant Creek Pegram Truss Railroad Bridge';