user: Question: What is the population on average with a per capita of 1158, and a 2011 GDP less than 6199?
Columns: ['Country', 'Population', 'GDP 2011 (In Millions USD)', 'GDP 2012 (In Millions USD)', 'per capita']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Belarus', 9459000.0, 59735.0, 63259.0, 6739.0]
SQL:

assistant: SELECT AVG("Population") FROM "Table" WHERE "per capita" = 1158.0 AND "GDP 2011 (In Millions USD)" < 6199.0;