CREATE TABLE "116_seats_needed_for_a_majority" (
  "date_released" text,
  "polling_institute" text,
  "social_democratic" text,
  "socialist" text,
  "green_communist" text,
  "democratic_and_social_centre" text,
  "lead" text
);

Question: How many socialist have a lead of 12.6%?
SQL: SELECT COUNT("socialist") FROM "116_seats_needed_for_a_majority" WHERE "lead"='12.6%';