user: Question: who is the class where note is Reportedly still active as of 2012?
Columns: ['Class', 'Ship Name', 'Origin', 'Hull Numbers', 'Service years', 'Previously', 'Note']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text']
Sample row: ['Ahmad Yani Class (FFGHM)', 'KRI Ahmad Yani', 'Netherlands', 351.0, '1986–Present', 'RNN HNLMS Tjerk Hiddes(F804)', 'Reportedly still active as of 2009']
SQL:

assistant: SELECT "Class" FROM "Table" WHERE "Note" = 'Reportedly still active as of 2012';