user: Question: When were the members tenured in the Field school?
Columns: ['School', 'Nickname', 'Location', 'Colors', 'Tenure']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Barberton', 'Magics', 'Barberton , Summit County', 'Purple, White', '2005–2011']
SQL:

assistant: SELECT "Tenure" FROM "Table" WHERE "School" = 'Field';