instruction:
In this task, you're given a statement, 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'.
question:
Context: One of the provisions of the 1739 Treaty of Belgrade stated that Austria had to demolish all the fortifications and military and civilian buildings it has constructed during the occupation. Link Information: The Treaty of Belgrade, known as the Belgrade peace was the peace treaty signed on September 18, 1739 in Belgrade, Habsburg Kingdom of Serbia (today Serbia), by the Ottoman Empire on one side and the Habsburg Monarchy on the other Question: How many countries total were included in the Treaty?
answer:
Answer: 2

question:
Context: Major Indoor Soccer League Link Information: In 1981, Quinn moved to the US to join the Los Angeles Aztecs of the North American Soccer League. When the Aztecs folded at the end of the season Question: How long did the organization that Quinn first played for in the US last as a team?
answer:
Answer: 7

question:
Context: the Israeli invasion into Lebanon in 1982 Link Information: none Question: Who was the ruler of Egypt during the Israeli invasion into Lebanon?
answer:
Answer: none