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:
Mirren was born Helen Lydia Mironoff at Queen Charlotte's and Chelsea Hospital in the Hammersmith district of London on 26 July 1945, to an English mother and Russian father
answer:
26 July 1945


question:
Roberts was born on October 28, 1967, in Smyrna, Georgia, a suburb of Atlanta, to Betty Lou Bredemus (1934–2015) and Walter Grady Roberts (1933–1977)
answer:
October 28, 1967


question:
Flanagan was born in Conant Gardens, Detroit, Michigan, on March 16, 1930
answer:

March 16, 1930


