How many PNC votes did the election before 1996 have?
CREATE TABLE "parliamentary_elections" (
  "election" real,
  "number_of_pnc_votes" text,
  "share_of_votes" text,
  "seats" text,
  "outcome_of_election" text
);
SELECT "number_of_pnc_votes" FROM "parliamentary_elections" WHERE "election"<1996;