Question: What is the average 800 kwh/kw p y with a 1600 kwh/kw p y less than 6.3 and a 2000 kwh/kw p y less than 1?
SQL: SELECT AVG 800 kWh/kW p y FROM table WHERE 1600 kWh/kW p y < 6.3 AND 2000 kWh/kW p y < 1