In this task, we ask you to write a question that asks about "event duration", based on a given sentence. The question will likely start with "How long". Your question should be answerable based on the common knowledge of how long certain events usually last. Don't create questions which have explicit mentions of answers in the text. Instead, it has to be implied from what is given. In other words, we want you to use "instinct" or "common sense". Note that the written questions are not required to have a single correct answer.
Example: Sentence: Jack played basketball after school, after which he was very tired.
Example solution: How long did Jack play basketball?
Example explanation: the question asks about the duration of an event; therefore it's correct question.

Problem: Sentence: Radio Televizioni Shqiptar (RTSH) is the public radio and TV broadcaster of Albania, founded by King Zog in 1938.

Solution: How long has RTSH been established?