Question: When was La Vista built?
SQL: SELECT "Built" FROM "2-17278190-1" WHERE "Location" = 'La Vista';

Question: When was the Sargent Bridge built?
SQL: SELECT "Built" FROM "2-17278190-1" WHERE "Name" = 'Sargent Bridge';

Question: What's the location for the country of Platte?
SQL: SELECT "Location" FROM "2-17278190-1" WHERE "County" = 'Platte';

Question: what is the listing date for Nuckolls county?
SQL: SELECT "Listed" FROM "2-17278190-1" WHERE "County" = 'Nuckolls';

Question: what's the listing date for the Verdigris Creek Bridge in Royal of Antelope county?
SQL: SELECT "Listed" FROM "2-17278190-1" WHERE "County" = 'Antelope' AND "Location" = 'Royal' AND "Name" = 'Verdigris Creek Bridge';

Question: what's the county name for the Republican River Bridge listed on 1992-06-29?
SQL: SELECT "County" FROM "2-17278190-1" WHERE "Listed" = '1992-06-29' AND "Name" = 'Republican River Bridge';