In which location is aci vallelunga circuit?
CREATE TABLE table_23315271_2 (location VARCHAR, circuit VARCHAR)
SELECT location FROM table_23315271_2 WHERE circuit = "ACI Vallelunga circuit"
### Context: CREATE TABLE table_23315271_2 (location VARCHAR, circuit VARCHAR) ### Question: In which location is aci vallelunga circuit? ### Answer: SELECT location FROM table_23315271_2 WHERE circuit = "ACI Vallelunga circuit"