user: Question: What is the average 2012 civil liberties value associated with a 2011 status of not free, political rights 2012 over 6, and political rights 2011 over 7?
Columns: ['Country', 'Political Rights 2010', 'Civil Liberties 2010', 'Status 2010', 'Political Rights 2011', 'Civil Liberties 2011', 'Status 2011', 'Political Rights 2012', 'Civil Liberties 2012', 'Status 2012', 'Political Rights 2013', 'Civil Liberties 2013', 'Status 2013']
Types: ['text', 'real', 'real', 'text', 'real', 'real', 'text', 'real', 'real', 'text', 'real', 'real', 'text']
Sample row: ['Algeria', 6.0, 5.0, 'Not Free', 6.0, 5.0, 'Not Free', 6.0, 5.0, 'Not Free', 6.0, 5.0, 'Not Free']
SQL:

assistant: SELECT AVG("Civil Liberties 2012") FROM "Table" WHERE "Status 2011" = 'not free' AND "Political Rights 2012" > 6.0 AND "Political Rights 2011" > 7.0;