user: Question: What is the average sales for the company with market value of 204.9bil and profits under 20.6bil?
Columns: ['Rank', 'Company', 'Headquarters', 'Industry', 'Sales (billion $)', 'Profits (billion $)', 'Assets (billion $)', 'Market Value (billion $)']
Types: ['real', 'text', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'HSBC', 'UK', 'Banking', 146.1, 19.1, 2349.0, 180.8]
SQL:

assistant: SELECT AVG("Sales (billion $)") FROM "Table" WHERE "Market Value (billion $)" = 204.9 AND "Profits (billion $)" < 20.6;