instruction:
Given a short bio of a person, find the minimal text span containing the date of birth of the person. The output must be the minimal text span that contains the birth date, month and year as long as they are present. For instance, given a bio like 'I was born on 27th of Decemeber 1990, and graduated high school on 23rd October 2008.' the output should be '27th of December 1990'.
question:
William John Neeson was born on 7 June 1952 in Ballymena, County Antrim, the son of cook Katherine "Kitty" Neeson (nee Brown) and primary school caretaker Bernard "Barney" Neeson
answer:
7 June 1952

question:
Clive Owen was born on 3 October 1964 in Keresley, Coventry (then in Warwickshire), the fourth of five sons born to Pamela (nee Cotton) and Jess Owen
answer:
3 October 1964

question:
John Christopher Depp II was born on June 9, 1963, in Owensboro, Kentucky, the youngest of four children of waitress Betty Sue Palmer (nee Wells) and civil engineer John Christopher Depp
answer:
June 9, 1963