Please answer the following question: What type of details about sergei demekhine can be gathered from the following bio? Bio: sergei gennadyievich demekhine -lrb- russian : ; born 30 march 1984 -rrb- is a russian tennis coach and former player . under his guidance , vera zvonareva reached two grand slam finals -- at the 2010 wimbledon championships and the 2010 us open -- and world no. 2 ranking . demekhin also occasionally works as a model .
A:
- doublesrecord - residence - singlesrecord - doublestitles - height - plays - updated - highestdoublesranking - singlestitles - highestsinglesranking - birth date - name - birth place - turnedpro