user: Question: What is the region containing the Constitutional Province of Callao?
Columns: ['Province', 'Population', 'Region', 'Name of City', 'Districts']
Types: ['text', 'real', 'text', 'text', 'real']
Sample row: ['Lima', 7605742.0, 'Lima', 'Lima', 43.0]
SQL:

assistant: SELECT "Region" FROM "Table" WHERE "Province" = 'Constitutional Province of Callao';