CREATE TABLE table_18165 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Results" TEXT, "Candidates" TEXT)

Who are the candidates in the Tennessee 3 district election?
SELECT "Candidates" FROM table_18165 WHERE "District" = 'Tennessee 3'
SELECT "Candidates" FROM "table_18165" WHERE "District" = 'Tennessee 3'