user: Question: What is the average rank of the movie with an opening week net gross more than 817700000 after 2012?
Columns: ['Rank', 'Movie', 'Year', 'Studio(s)', 'Opening Week Nett Gross']
Types: ['real', 'text', 'real', 'text', 'real']
Sample row: [1.0, 'Chennai Express', 2013.0, 'Red Chillies Entertainment', 1567000000.0]
SQL:

assistant: SELECT AVG("Rank") FROM "Table" WHERE "Opening Week Nett Gross" > 817700000.0 AND "Year" > 2012.0;