How can I tell what version of RT was used in the database?

I have been asked to install RT on a system–and they want me to use an
old RT database backup–is there anyway in MySQL I can find out what
version of RT was used to create that DB? Unfortunately, I’m under a
small time crunch… :-/

We’re guessing it’s 3.0.9-11 somewhere…

Thanks in advance, everyone!

Best,
Glenn