The Saint Paul Cable Franchise Agreement specifies that Comcast provide a cable TV discount to:

What is the discount?

You must be a resident of Saint Paul and prove that you are one of the following:

The discount is available to new and existing Comcast cable customers, but it is not automatic.  You must contact Comcast to begin the process.  If you think you are eligible for a discount or have other questions, call Comcast Customer Service at (651) 222-3333.