instruction:
In this task, you are given a question. You have to answer the question based on your information.
question:
When did the process occur that occurred after the futhorc runes are thought to have been developed, resulting in the Anglo-Saxon runes to also being called the Anglo-Frisian runes?
answer:
mid-fifth to early seventh centuries


question:
Who created the television series of which "SpongeBob, You're Fired" is a television special?
answer:
Stephen Hillenburg


question:
In what year did The Who release the double album rock opera that preceded the Who's Next studio album?
answer:

1969