When was the school in Philadelphia, Pennsylvania founded?
CREATE TABLE table_1969577_3 (founded VARCHAR, location VARCHAR)
SELECT founded FROM table_1969577_3 WHERE location = "Philadelphia, Pennsylvania"
### Context: CREATE TABLE table_1969577_3 (founded VARCHAR, location VARCHAR) ### Question: When was the school in Philadelphia, Pennsylvania founded? ### Answer: SELECT founded FROM table_1969577_3 WHERE location = "Philadelphia, Pennsylvania"