CREATE TABLE "louisiana" (
  "district" text,
  "incumbent" text,
  "party" text,
  "first_elected" real,
  "results" text
);

Question: What is the highest First Elected, when Party is "Republican", and when District is "Louisiana 7"?
SQL: SELECT MAX("first_elected") FROM "louisiana" WHERE "party"='republican' AND "district"='louisiana 7';

Question: What is Party, when Results is "Re-Elected", and when District is "Louisiana 5"?
SQL: SELECT "party" FROM "louisiana" WHERE "results"='re-elected' AND "district"='louisiana 5';

Question: What is Party, when Incumbent is "Rodney Alexander"?
SQL: SELECT "party" FROM "louisiana" WHERE "incumbent"='rodney alexander';

Question: What is Results, when First Elected is less than 1988?
SQL: SELECT "results" FROM "louisiana" WHERE "first_elected"<1988;

Question: What is Incumbent, when District is "Louisiana 4"?
SQL: SELECT "incumbent" FROM "louisiana" WHERE "district"='louisiana 4';