user: Question: What date did the Executive office in Dover take office?
Columns: ['Office', 'Type', 'Location', 'Took Office', 'Left Office']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['State Representative', 'Legislature', 'Dover', 'January 6, 1801', 'January 5, 1802']
SQL:

assistant: SELECT "Took Office" FROM "Table" WHERE "Location" = 'Dover' AND "Type" = 'Executive';