Q: How can I convert an Applework document to .doc (Windows)?

Well do you care about the formatting?  I believe Pages can convert Appleworks files, but if you open the document in Text Edit you may be able to recover the text without the formatting, and copy and paste it into a word document.  They'll be a bunch of gibberish surrounding the actual content, but it is fairly decipherable for most documents.  Also, Appleworks 6.2.9 will still run on a Mac running 10.6.8 with rosetta installed.  You could export it as a .doc if you still have the application kicking around on an old backup.

You can save an AppleWorks word processing document as Word using File > Save As… You will need to add the .doc extension as AppleWorks won't do it for you.

If you don't see Word as an option in the file type drop-down menu you likely have moved the AppleWorks application from the AppleWorks 6 folder and/or deleted the support folders, especially the AppleWorks Essentials folder where the translators reside.