How to Generate a List of Patients over 25 who have not been seen for 11 years

[#1]

 Here is a step-by-step guide to creating a query that will generate a list of patients over the age of 25 who have not been seen for over 11 years

[Hopedental123]

Hi, 

I have followed the link and yet again it only brings one patient up. I already know there are more than one patient who have NOT attended the practice for over 11 years.