What is the Distance of the 1945 Vuelta a Espana with 4A Stage?
CREATE TABLE table_name_20 (distance VARCHAR, stage VARCHAR)
SELECT distance FROM table_name_20 WHERE stage = "4a"
### Context: CREATE TABLE table_name_20 (distance VARCHAR, stage VARCHAR) ### Question: What is the Distance of the 1945 Vuelta a Espana with 4A Stage? ### Answer: SELECT distance FROM table_name_20 WHERE stage = "4a"