Definition: 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'.
Input: Context: In Bratislava, he played for SK Slovan Bratislava between 1947 and 1952, winning the Czechoslovak First League in 1949 Link Information: The Czechoslovak First League (, ) was the premier football league in the Czechoslovakia from 1925 to 1993 Question: How many years were there between Czechoslovak First League's establishment and Laskov's first championship win with SK Slovan Bratislava?
Output:
Answer: 27