What is the sum of Polish Cup, when Player is "Maciej Iwański", and when Ekstraklasa is less than 1?
CREATE TABLE "most_appearances" (
  "player" text,
  "position" text,
  "ekstraklasa" real,
  "polish_cup" real,
  "uefa_cup" real,
  "total" real
);
SELECT SUM("polish_cup") FROM "most_appearances" WHERE "player"='maciej iwański' AND "ekstraklasa"<1;