What are the titles of episodes numbered 19?
CREATE TABLE table_28688313_1 (episode VARCHAR, _number VARCHAR)
SELECT episode FROM table_28688313_1 WHERE _number = 19
### Context: CREATE TABLE table_28688313_1 (episode VARCHAR, _number VARCHAR) ### Question: What are the titles of episodes numbered 19? ### Answer: SELECT episode FROM table_28688313_1 WHERE _number = 19