Question: Who lived to be the oldest person in the world?

Disambiguated questions and answers:
context: No context provided
question: Who do some say lived to be the oldest person in the world?
short_answers: Jeanne Calment
context: The longest human lifespan which is undisputed is that of Sarah Knauss of the United States (1880–1999), who lived to age 119 years, 97 days.
question: Who lived to be the oldest person in the world whose age is undisputed?
short_answers: Sarah Knauss
wikipage: Oldest people
context: No context provided
question: Who lived to be the oldest person in the world as of 1997?
short_answers: Jeanne Calment
Jeanne Louise Calment
context: German supercentenarians are citizens, residents or emigrants from Germany who have attained or surpassed 110 years of age. , the Gerontology Research Group (GRG) had validated the longevity claims of 59 German supercentenarians, including 49 residents and 10 emigrants. There are currently at least 5 Germans known to be alive over age 110, including 1 emigrant. The oldest German is emigrant Louise Schaaf, born 16 October 1906, aged living in Illinois, United States. Augusta Holtz, an emigrant to the United States, was the oldest German citizen whose age was validated; she lived 115 years and 79 days, from 1871 to 1986.
question: Who lived to be the oldest person in the world as of 1986?
short_answers: Augusta Holtz
wikipage: List of German supercentenarians
context: No context provided
question: Who lived to be the oldest person in the world as of 1985?
short_answers: Mathew Beard

Long-form answers:
knowledge: content: The oldest person ever whose age has been independently verified is Jeanne Calment (1875–1997) of France, who lived to the age of 122 years, 164 days.
wikipage: List of the verified oldest people
content: Mathew Beard (July 9, 1870? – February 16, 1985) was an American supercentenarian claimant, farmer and claimed veteran of the Spanish–American War in 1898.
wikipage: Mathew Beard
content: Beard is verified to be the first person in history to become 114 years old, although the oldest living person at the time of Beard's death at age 114 years, 222 days was believed to be the now debunked Japanese man Shigechiyo Izumi who claimed to be five years older and died over a year later, and the fourth-youngest of only seven verified men who have become at least 114 years old.
wikipage: Mathew Beard
content: Jeanne Louise Calment (French: [ʒan lwiz kalmɑ̃] (About this soundlisten); 21 February 1875 – 4 August 1997) was a French supercentenarian and the oldest human whose age is well-documented, with a lifespan of 122 years and 164 days.
wikipage: Jeanne Calment
content: Sarah DeRemer Knauss (née Clark; September 24, 1880 – December 30, 1999) was an American supercentenarian. 
wikipage: Sarah Knauss
long_answer: American supercentenarian claimant Mathew Beard was verified to be the first person in history to become 114 years old when he died in 1985. The following year in 1986, Augusta Holtz was validated as the oldest German citizen as she lived 115 years and 79 days by the time of her death in 1986. Skipping forward to 1997, French supercentenarian Jeanne Calment became the oldest human whose age is well-documented at the time of her death in August 1997. However, when it comes to the oldest person in the world whose age is undisputed is Sarah Knauss of the United States who lived to the age of 119 years and 97 days on December 30, 1999.
knowledge: content: Jeanne Louise Calment (French: [ʒan lwiz kalmɑ̃] (About this soundlisten); 21 February 1875 – 4 August 1997) was a French supercentenarian and the oldest human whose age is well-documented, with a lifespan of 122 years and 164 days.[1]
wikipage: Jeanne Calment
content: She is the oldest person ever from the United States and the second-oldest fully documented person ever.
wikipage: Sarah Knauss
content: A supercentenarian (sometimes hyphenated as super-centenarian) is someone who has reached the age of 110.
wikipage: Supercentenarian
long_answer: A supercentenarian is someone who has reached the age of 110. Sarah Knauss, whose age is undisputed, was the oldest person ever from the United States and the second-oldest fully documented person ever. Jeanne Calment was a French supercentenarian and the oldest human whose age is well-documented, with a lifespan of 122 years and 164 days, and was the oldest person in the world as of 1997. In 1985, the oldest living person was Mathew Beard and in 1986 it was Augusta Holtz, who lived 115 years and 79 days, from 1871 to 1986.