user: Question: What is the average 2011-03, when Unemployment is sweden, and when 2009-03 is greater than 8?
Columns: ['Unemployment', '2007-03', '2008-03', '2009-03', '2010-03', '2011-03', '2012-03']
Types: ['text', 'real', 'real', 'real', 'real', 'real', 'real']
Sample row: ['Austria', 4.5, 4.1, 4.5, 4.9, 4.4, 4.2]
SQL:

assistant: SELECT AVG("2011-03") FROM "Table" WHERE "Unemployment" = 'sweden' AND "2009-03" > 8.0;