CREATE TABLE table_18213 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Status" CLOB, "Opponent" CLOB)

What district had someone first elected in 1982?
SELECT "District" FROM table_18213 WHERE "First elected" = '1982'
SELECT "District" FROM "table_18213" WHERE "First elected" = '1982'