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: Dwayne Douglas Johnson was born in Hayward, California on May 2, 1972, the son of Ata Johnson (née Maivia; born 1948) and former professional wrestler Rocky Johnson (born Wayde Douglas Bowles; 1944–2020)

Answer: May 2, 1972


Question: Beckinsale was born on 26 July 1973 in the Chiswick district of London, the only child of actors Richard Beckinsale and Judy Loe

Answer: 26 July 1973


Question: Born on 17 August 1920, O'Hara began life as Maureen FitzSimons on Beechwood Avenue in the Dublin suburb of Ranelagh

Answer:
17 August 1920