user: Question: Who took office under the government of Matthew E. Welsh?
Columns: ['Name', 'Took office', 'Left office', 'Party', 'Governor']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Christopher Harrison', 'November 7, 1816', 'December 17, 1818', 'Democratic-Republican', 'Jonathan Jennings']
SQL:

assistant: SELECT "Took office" FROM "Table" WHERE "Governor" = 'Matthew E. Welsh';