CREATE TABLE table_18307 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

What candidates were featured in the 1974 election?
SELECT "Candidates" FROM table_18307 WHERE "First elected" = '1974'
SELECT "Candidates" FROM "table_18307" WHERE "First elected" = '1974'