Question: In regards to the person who was a Member of Parliament for the Leigh constituency before Jo Platt, what year was that person born?

Related documents: [0]  [DOC] Joanne Marie Platt is a British politician who represents the Labour Party. At the 2017 general election, she was elected Member of Parliament for the Leigh constituency succeeding Andy Burnham who left Parliament to become the Mayor of Greater Manchester. She is Leigh's first female MP. On July 13, 2017, she became Parliamentary Private Secretary to Angela Rayner. [END] 
[1]  [DOC] Andrew Murray Burnham (born 7 January 1970) is a British politician and the Mayor of Greater Manchester, in office since May 2017. Burnham was previously the Member of Parliament (MP) for Leigh from 2001 to 2017. He is a member of the Labour Party. [END]  
Answer: 1970
1970