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'.

Sagal was born on January 19, 1954, in Los Angeles, California, to a show business family with five children
January 19, 1954

Emmanuelle Grey Rossum was born on September 12, 1986, in New York City
September 12, 1986

Hall was born on 3 May 1982 in London, the daughter of American opera singer Maria Ewing and English stage director and Royal Shakespeare Company founder Peter Hall

3 May 1982