what is the population of Valencia, Spain?
CREATE TABLE table_name_56 (population INTEGER, country VARCHAR, urban_area VARCHAR)
SELECT AVG(population) FROM table_name_56 WHERE country = "spain" AND urban_area = "valencia"
### Context: CREATE TABLE table_name_56 (population INTEGER, country VARCHAR, urban_area VARCHAR) ### Question: what is the population of Valencia, Spain? ### Answer: SELECT AVG(population) FROM table_name_56 WHERE country = "spain" AND urban_area = "valencia"