Instruct: What is the average 2400 kwh/kw p y with a 1400 kwh/kw p y greater than 12.9, a 1200 kwh/kw p y greater than 21.7, and a 1600 kwh/kw p y greater than 18.8?
Output: SELECT AVG 2400 kWh/kW p y FROM table WHERE 1400 kWh/kW p y > 12.9 AND 1200 kWh/kW p y > 21.7 AND 1600 kWh/kW p y > 18.8