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'.

[EX Q]: Eddie Asner was born on November 15, 1929, in Kansas City, Missouri, and grew up in Kansas City, Kansas
[EX A]: November 15, 1929

[EX Q]: Garrett John Hedlund was born on September 3, 1984, in Roseau, Minnesota, to Kristine Anne (née Yanish) and Robert Martin Hedlund
[EX A]: September 3, 1984

[EX Q]: Bridges was born on December 9, 1941 in Los Angeles, California, the son of actors Lloyd Bridges (1913–1998) and Dorothy Bridges (née Simpson; 1915–2009)
[EX A]:
December 9, 1941