Question: Who is every incumbent when Kentucky 2 is the district?
SQL: SELECT "Incumbent" FROM "1-2668352-5" WHERE "District" = 'Kentucky 2';

Question: Who is first elected when Kentucky 6 is the district?
SQL: SELECT "First elected" FROM "1-2668352-5" WHERE "District" = 'Kentucky 6';

Question: What is every district for incumbent Joseph Desha?
SQL: SELECT "District" FROM "1-2668352-5" WHERE "Incumbent" = 'Joseph Desha';