user: Question: What is the average estimated 2013 literacy rate for the states that had a literacy rate of 68.81% in the 2001 census and a literacy rate higher than 79.6% in the 2011 census?
Columns: ['State', 'Literacy Rate (%) - [2013 Estimate]', 'Literacy Rate (%) - 2001 Census', 'Literacy Rate (%) - 2011 Census', '% Increase']
Types: ['text', 'real', 'real', 'real', 'text']
Sample row: ['Kerala', 95.5, 92.19, 93.91, '3.04%']
SQL:

assistant: SELECT AVG("Literacy Rate (%) - [2013 Estimate]") FROM "Table" WHERE "Literacy Rate (%) - 2011 Census" > 79.6 AND "Literacy Rate (%) - 2001 Census" = 68.81;