What is the bzip2 value associated with a gzip of yes, StuffitX of unknown, and ISO/CD image of unknown?
CREATE TABLE "writing" (
  "gzip" text,
  "bzip2" text,
  "lha_lzh" text,
  "stuff_it" text,
  "stuff_it_x" text,
  "iso_cd_image" text
);
SELECT "bzip2" FROM "writing" WHERE "gzip"='yes' AND "stuff_it_x"='unknown' AND "iso_cd_image"='unknown';