You are given an open-domain question from an open movie database. Your task is to provide an answer to that question. Try to only include the answer. Do not put it in a sentence.

[Q]: what films did William Hopper star in?
[A]: 20 Million Miles to Earth, The Deadly Mantis


[Q]: what was the popularity rating of White Fang?
[A]: unheard of


[Q]: which films can be described by karate?
[A]:
The Karate Kid, Part II, Part III, 3 Ninjas, No Retreat, No Surrender, The Foot Fist Way, Sharky's Machine