/usr/share/man/man1/sbtool.1.gz is in mysql-sandbox 3.1.04-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/../man3/MySQL::Sandbox.3pm.gz
/usr/share/man/man1/../man3/MySQL::Sandbox.3pm.gz