What is the capacity for a facility opened in 1956?
CREATE TABLE table_25346763_1 (capacity VARCHAR, year_opened VARCHAR)
SELECT COUNT(capacity) FROM table_25346763_1 WHERE year_opened = "1956"
### Context: CREATE TABLE table_25346763_1 (capacity VARCHAR, year_opened VARCHAR) ### Question: What is the capacity for a facility opened in 1956? ### Answer: SELECT COUNT(capacity) FROM table_25346763_1 WHERE year_opened = "1956"