Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_18 ( sales__billion_ INTEGER, market_value__billion_$_ VARCHAR, profits__billion_$_ VARCHAR )

### Question ###
What is the average sales for the company with market value of 204.9bil and profits under 20.6bil?

### Accurate SQL ###

SELECT AVG(sales__billion_) AS $_ FROM table_name_18 WHERE market_value__billion_$_ = 204.9 AND profits__billion_$_ < 20.6