user: Question: Why was Otago formed?
Columns: ['Province', 'Formed date', 'Formed from', 'Dissolution date', 'Reason']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Auckland', '17 January 1853', 'New Ulster', '1 November 1876', 'Provinces abolished']
SQL:

assistant: SELECT "Reason" FROM "Table" WHERE "Province" = 'Otago';