user: Question: Who was number 12's mother?
Columns: ['Number', 'Title', 'Born', 'Died', 'Date Married', 'Issue', 'Mother']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, "Princess Lin'an 臨安公主", '1360', '17 August 1421', '1376', '–', '–']
SQL:

assistant: SELECT "Mother" FROM "Table" WHERE "Number" = 12.0;