CREATE TABLE table_35051 ("gzip" CLOB, "bzip2" CLOB, "LHA/LZH" CLOB, "StuffIt" CLOB, "StuffIt X" CLOB, "ISO/CD Image" CLOB)

What is the StuffitX value that has a Stuffit of unknown, LHA/LZH of yes, and unknown ISO/CD image?
SELECT "StuffIt X" FROM table_35051 WHERE "StuffIt" = 'unknown' AND "LHA/LZH" = 'yes' AND "ISO/CD Image" = 'unknown'
SELECT "StuffIt X" FROM "table_35051" WHERE "ISO/CD Image" = 'unknown' AND "LHA/LZH" = 'yes' AND "StuffIt" = 'unknown'