CREATE TABLE table_name_95 (capacity VARCHAR, opened VARCHAR, region VARCHAR)

What capacity opened lessed than 1937 and is located in the region of champagne-ardenne?
SELECT capacity FROM table_name_95 WHERE opened < 1937 AND region = "champagne-ardenne"
SELECT "capacity" FROM "table_name_95" WHERE "champagne-ardenne" = "region" AND "opened" < 1937