CREATE TABLE table_1800 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Results" TEXT, "Candidates" TEXT)

Who are all of the candidates in elections where Dennis Kucinich was a candidate?
SELECT "Candidates" FROM table_1800 WHERE "Incumbent" = 'Dennis Kucinich'
SELECT "Candidates" FROM "table_1800" WHERE "Incumbent" = 'Dennis Kucinich'