CREATE TABLE "north_carolina" (
  "district" text,
  "incumbent" text,
  "party" text,
  "elected" real,
  "status" text,
  "opponent" text
);

Question: What party did incumbent Howard Coble belong to?
SQL: SELECT "party" FROM "north_carolina" WHERE "incumbent"='Howard Coble';

Question: What party did incumbent Stephen L. Neal belong to? 
SQL: SELECT "party" FROM "north_carolina" WHERE "incumbent"='Stephen L. Neal';

Question: In how many districts was the democratic incumbent elected in 1974? 
SQL: SELECT COUNT("district") FROM "north_carolina" WHERE "party"='Democratic' AND "elected"=1974;

Question: What year was incumbent Martin Lancaster elected? 
SQL: SELECT MIN("elected") FROM "north_carolina" WHERE "incumbent"='Martin Lancaster';