You will be given a definition of a task first, then some input of the task.
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'.

Passage: In 1999, Denning made his debut for Berkshire in the MCCA Knockout Trophy against the Kent Cricket Board. In 2000, he made his Minor Counties Championship debut for the county against Dorset. From 2000 to 2008, he represented the county in 29 Championship matches, the last of which came against Lincolnshire in the 2008 Championship final, which Berkshire won. Furthermore, from 1999 to 2007, he represented the county in 11 MCCA Knockout Trophy matches, the last of which came against Wales Minor Counties. Naylor also played 2 List-A matches for the county. His first List-A match for Buckinghamshire came against Wales Minor Counties in the 2000 NatWest Trophy, with his second match coming against the Kent Cricket Board in the 2001 Cheltenham & Gloucester Trophy.
Link Information: none Question: In what cities did Denning make debuts in during 1999 and 2000?
Output:
Answer: none