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

Question: Who is the incumbent in the Washington 1 district? 
SQL: SELECT "incumbent" FROM "washington" WHERE "district"='Washington 1';

Question: How many categories of first elected are in Washington 4 district? 
SQL: SELECT COUNT("first_elected") FROM "washington" WHERE "district"='Washington 4';

Question: What was the result in the election where the date of first elected was 2000? 
SQL: SELECT "results" FROM "washington" WHERE "first_elected"=2000;