When was the dvd release directed by Billy O'Brien?
CREATE TABLE table_19982699_1 (dvd_release VARCHAR, director VARCHAR)
SELECT dvd_release FROM table_19982699_1 WHERE director = "Billy O'Brien"
### Context: CREATE TABLE table_19982699_1 (dvd_release VARCHAR, director VARCHAR) ### Question: When was the dvd release directed by Billy O'Brien? ### Answer: SELECT dvd_release FROM table_19982699_1 WHERE director = "Billy O'Brien"