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'.

Q: Tony Curtis was born Bernard Schwartz on June 3, 1925, at the Fifth Avenue Hospital corner of East 105th Street in Manhattan, New York City, the first of three boys born to Helen (nee Klein) and Emanuel Schwartz

A: June 3, 1925
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Q: Howard was born in Duncan, Oklahoma in 1954, the elder son of Jean Speegle Howard (19272000), an actress, and Rance Howard (19282017), a director, writer, and actor

A: 1954
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Q: Mikkelsen was born on 22 November 1965 in the sterbro district of Copenhagen, Denmark, the son of mother Bente Christiansen and father Henning Mikkelsen, a cab driver

A:
22 November 1965
****