user: Question: What is the Dialcode of Whitechapel?
Columns: ['Location', 'Londonborough', 'Post town', 'Postcodedistrict', 'Dialcode']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Abbey Wood', 'Greenwich', 'LONDON', 'SE2', '020']
SQL:

assistant: SELECT "Dialcode" FROM "Table" WHERE "Location" = 'Whitechapel';