Question: When was the Oakachoy Covered Bridge listed?
SQL: SELECT "Listed" FROM "2-17237920-1" WHERE "Name" = 'Oakachoy Covered Bridge';

Question: In which county is the Swann Covered Bridge located?
SQL: SELECT "County" FROM "2-17237920-1" WHERE "Name" = 'Swann Covered Bridge';

Question: Which bridge is located in Nectar, in Blount County?
SQL: SELECT "Name" FROM "2-17237920-1" WHERE "County" = 'Blount' AND "Location" = 'Nectar';

Question: Which county built a bridge in 1934?
SQL: SELECT "County" FROM "2-17237920-1" WHERE "Built" = '1934';

Question: In which year did Blount County build a bridge in Cleveland that was listed on 1981-08-20?
SQL: SELECT "Built" FROM "2-17237920-1" WHERE "County" = 'Blount' AND "Listed" = '1981-08-20' AND "Location" = 'Cleveland';