Don't know if this is useful, but not having a Pi/book with me today I can't check it out.
I downloaded the Wordpress .deb from http://archive.raspbian.org/raspbian/pool/main/w/
& opened it (using an archive manager) and it contains the standard 3 files. Again open the data.tar.gz archive and under ./usr/share/doc/wordpress/examples/ you'll find
My assumption is that the file will be found at /usr/share/doc/wordpress/examples/ on the SD and MAY require decompressing.
free to heap scorn on my head if it's not there.
Disclaimers: I have entered into no agreements regarding mails erroneously sent to this address, and reserve the right to do as I wish with any such emails.