What country has an LP format, catalog s 31503?
CREATE TABLE table_name_20 (country VARCHAR, format VARCHAR, catalog VARCHAR)
SELECT country FROM table_name_20 WHERE format = "lp" AND catalog = "s 31503"
### Context: CREATE TABLE table_name_20 (country VARCHAR, format VARCHAR, catalog VARCHAR) ### Question: What country has an LP format, catalog s 31503? ### Answer: SELECT country FROM table_name_20 WHERE format = "lp" AND catalog = "s 31503"