Question: What is the epa highway fuel economy for an electric suv?
Schema: create table table_20549371_3 (epa_rated_highway_fuel_economy varchar, type_of_powertrain varchar, PRIMARY KEY (epa_rated_highway_fuel_economy))
SQL: select epa_rated_highway_fuel_economy from table_20549371_3 where type_of_powertrain = "electric suv"