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'.
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Question: Gruffudd was born on 6 October 1973 in Aberdare, the eldest of three siblings

Answer: 6 October 1973


Question: D'Onofrio was born on June 30, 1959, in Bensonhurst, Brooklyn, New York City, New York

Answer: June 30, 1959


Question: Welch was born as Jo Raquel Tejada on September 5, 1940 in Chicago, Illinois

Answer:
September 5, 1940