In this task, you're given a passage, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.
Q: Passage: Lapid grew up in Tel Aviv and London. His childhood home in Tel Aviv was in the Yad Eliyahu neighborhood, in a residential building known as the Journalists' Residence, as several prominent journalists lived there. He attended high school at the Herzliya Hebrew Gymnasium, but struggled with learning disabilities and dropped out without earning a bagrut certificate. He began his mandatory military service in the Israel Defense Forces in the 500th Brigade of the Armored Corps. During the 1982 Lebanon War, Lapid suffered an asthma attack after inhaling dust kicked up by a helicopter, and was pulled from the Corps. He then served as a military correspondent for the IDF's weekly newspaper, Bamahane ("In the base camp"). After completing his military service, he began working as a reporter for Maariv and published poetry in literary journals. He also had a career as an amateur boxer.
Link Information: The 1982 Lebanon War, dubbed Operation Peace for Galilee ( Mivtsa Shlom HaGalil or Mivtsa Sheleg) by the Israeli government, later known in Israel as the Lebanon War or the First Lebanon War (, Milhemet Levanon Harishona), and known in Lebanon as "the invasion" (, Al-ijtiyah), began on 6 June 1982 Question: How long did the war last that Lapid was pulled from due to an asthma attack?
A:
Answer: 3