input: It's_Great_to_Be_Young_(1956_film) | starring | John_Mills
target: John Mills is playing the lead in the movie It's Great to Be Young, which was released in 1956.
references: John Mills is playing the lead in the movie It's Great to Be Young, which was released in 1956. It's Great to Be Young is a 1956 film starring John Mills. John Mills had a main role in the movie It's Great to Be Young.