What is the epa rated combined fuel economy for the Nissan Leaf?
CREATE TABLE table_23840623_4 (epa_rated_combined_fuel_economy VARCHAR, vehicle VARCHAR)
SELECT epa_rated_combined_fuel_economy FROM table_23840623_4 WHERE vehicle = "Nissan Leaf"
### Context: CREATE TABLE table_23840623_4 (epa_rated_combined_fuel_economy VARCHAR, vehicle VARCHAR) ### Question: What is the epa rated combined fuel economy for the Nissan Leaf? ### Answer: SELECT epa_rated_combined_fuel_economy FROM table_23840623_4 WHERE vehicle = "Nissan Leaf"