CREATE TABLE table_18387 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" TEXT, "Result" TEXT, "Candidates" TEXT)

Who was the first person elected in North Carolina 8?
SELECT "First elected" FROM table_18387 WHERE "District" = 'North Carolina 8'
SELECT "First elected" FROM "table_18387" WHERE "District" = 'North Carolina 8'