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

Question: In the district of Pennsylvania 1, what is the total number of political parties?
SQL: SELECT COUNT("party") FROM "pennsylvania" WHERE "district"='Pennsylvania 1';

Question: What year was Tim Holden first elected?
SQL: SELECT MIN("first_elected") FROM "pennsylvania" WHERE "incumbent"='Tim Holden';

Question: How many parties were first elected in 1994?
SQL: SELECT COUNT("party") FROM "pennsylvania" WHERE "first_elected"=1994;

Question: In district Pennsylvania 11, what was the total numbers of results?
SQL: SELECT COUNT("results") FROM "pennsylvania" WHERE "district"='Pennsylvania 11';