-- Database schema
| Ref_Template_Types : Template_Type_Code [ TEXT ] primary_key , Template_Type_Description [ TEXT ] | Templates : Template_ID [ INT ] primary_key , Version_Number [ INT ] , Template_Type_Code [ TEXT ] Templates.Template_Type_Code = Ref_Template_Types.Template_Type_Code , Date_Effective_From [ TEXT ] , Date_Effective_To [ TEXT ] , Template_Details [ TEXT ] | Documents : Document_ID [ INT ] primary_key , Template_ID [ INT ] Documents.Template_ID = Templates.Template_ID , Document_Name [ TEXT ] , Document_Description [ TEXT ] , Other_Details [ TEXT ] | Paragraphs : Paragraph_ID [ INT ] primary_key , Document_ID [ INT ] Paragraphs.Document_ID = Documents.Document_ID , Paragraph_Text [ TEXT ] , Other_Details [ TEXT ] |
-- -- What are the template ids with template type description "Presentation".

SELECT T2.template_id FROM Ref_template_types AS T1 JOIN Templates AS T2 ON T1.template_type_code  = T2.template_type_code WHERE T1.template_type_description  =  "Presentation";