CREATE TABLE table_name_18 (sales__billion_ INT, market_value__billion_$_ VARCHAR, profits__billion_$_ VARCHAR)

What is the average sales for the company with market value of 204.9bil and profits under 20.6bil?
SELECT AVG(sales__billion_) AS $_ FROM table_name_18 WHERE market_value__billion_$_ = 204.9 AND profits__billion_$_ < 20.6
SELECT AVG("sales__billion_") AS $_ FROM "table_name_18" WHERE "market_value__billion_$_" = 204.9 AND "profits__billion_$_" < 20.6