Question: What district first elected in 1978?
SQL: SELECT "District" FROM "1-1341472-51" WHERE "First elected" = 1978.0;

Question: What district was incumbent Jerry Kleczka in?
SQL: SELECT "District" FROM "1-1341472-51" WHERE "Incumbent" = 'Jerry Kleczka';

Question: How many districts had results related to incumbent Toby Roth?
SQL: SELECT COUNT("Result") FROM "1-1341472-51" WHERE "Incumbent" = 'Toby Roth';

Question: Who were the candidates in district Wisconsin 1?
SQL: SELECT "Candidates" FROM "1-1341472-51" WHERE "District" = 'Wisconsin 1';