CREATE TABLE table_6243 ("Windows" TEXT, "Mac OS X" TEXT, "Linux" TEXT, "Other Unix" TEXT, "AmigaOS" TEXT, "Android" TEXT, "Windows Mobile" TEXT)

Which Windows system has Windows Mobile of unknown, and a Mac OS X of yes, and another Unix of yes, and an AmigaOS of partial?
SELECT "Windows" FROM table_6243 WHERE "Windows Mobile" = 'unknown' AND "Mac OS X" = 'yes' AND "Other Unix" = 'yes' AND "AmigaOS" = 'partial'
SELECT "Windows" FROM "table_6243" WHERE "AmigaOS" = 'partial' AND "Mac OS X" = 'yes' AND "Other Unix" = 'yes' AND "Windows Mobile" = 'unknown'