SELECT template_type_description FROM Ref_template_types WHERE template_type_code  =  "AD"
Return the template type description of the template type with the code AD.
SELECT template_type_description FROM Ref_template_types WHERE template_type_code = `` AD ''
select template_type_description from ref_template_types where template_type_code = value
Return the template type description of the template type with the code AD .