user: Question: What is the average rank of a nation that had 219721 in 2012?
Columns: ['Rank', 'Country', '2011', '2012', '2013(Jan–Sep)Link']
Types: ['real', 'text', 'real', 'real', 'text']
Sample row: [1.0, 'China', 1416804.0, 1428693.0, '1,358,961']
SQL:

assistant: SELECT AVG("Rank") FROM "Table" WHERE "2012" = 219721.0;