Please answer the following question: Facts:   - death date: 11 -rrb- ? december 2006 -lrb- aged 120 years 233 days      - birth date: 22 april 1886 ?    - name: du pinhua    - death place: leshan , china    - birth place: leshan , china   Based on these bullet points, write a short biography describing the life of du pinhua .
A:
du pinhua -lrb- , 22 april 1886 ?-- 11 december 2006 -rrb- was a chinese claimant to the world 's oldest person title .she lived in leshan .according to the `` shanghai great world guinness book of records '' -lrb- unaffiliated with the similarly named `` guinness world records '' in london -rrb- , pinhua was proclaimed the world 's oldest person in 2002 .the claim disappeared for almost four years before resurfacing in april 2006 , when it was claimed that du celebrated her 120th birthday .her age had not been internationally recognized .guinness in london and the gerontology research group both said at the time that maría capovilla of ecuador was the world 's oldest living person .capovilla was born on 14 september 1889 , about 3 1/2 years after pinhua 's alleged birth date .