What is the date in location to date?
SELECT T2.Date_in_Locaton_To from all_documents as T1 join Document_Locations as T2 on T1.document_id  =  T2.document_id where T1.document_name   =   "Robin CV"
date in location to date refers to T2.Date_in_Location_To; join condition for tables refers to T1.document_id = T2.document_id; filtering condition based on document name refers to T1.document_name = 'Robin CV';