Question: What is the birthday of the female co-star of the movie Steel Dawn?

Context paragraphs:
Las Mañanitas: Las Mañanitas is a traditional Mexican birthday song sung in Mexico and other Latin American countries at birthday parties, usually early in the morning to awaken the birthday person, also before eating cake, and especially as part of the custom of serenading women.  In Mexico, "Las Mañanitas" is sung to men and women of all ages.  In some countries, such as Colombia, the song is only sung to girls, especially on their 15th birthdays.  Perhaps the most famous rendition of "Las Mañanitas" is that sung by Pedro Infante to "Chachita" in the movie "Nosotros los pobres".

Happy Birthday to You!: Happy Birthday to You!  is a 1959 children's book by Dr. Seuss.  It deals with a fantastic land called Katroo, where the Birthday Bird throws the reader an amazing party on their special day.  It consists of a running description of a fantastical celebration, narrated in the second person, of the reader's birthday, from dawn to late night.  The celebration includes fantastical and colorful gifts, foods and a whirl of activities all arranged by the Birthday Bird for the reader's birthday.  It focuses on the reader's self-actualization and concludes with the happy and exhausted reader falling blissfully asleep.  A popular Seuss paragraph in this book reads: "Today you are you, that is truer than true.  There is no one alive who is youer than you."

Grand Duke's Official Birthday: The Grand Duke's Official Birthday (French: "Célébration publique de l'anniversaire du souverain" ), also known as Luxembourgish National Day (French: "Fête nationale luxembourgeoise" , Luxembourgish: "Lëtzebuerger Nationalfeierdag" ), is celebrated as the annual national holiday of Luxembourg.  It is celebrated on 23 June, although this has never been the actual birthday of any ruler of Luxembourg.  When the monarch of Luxembourg is female, it is known as the Grand Duchess' Official Birthday.

Steel Dawn: Steel Dawn is a 1987 American post-apocalyptic science fiction action film that mixes the genres of science fiction and western.  It stars Patrick Swayze and his wife, Lisa Niemi.

Eileen Derbyshire: Eileen Derbyshire, (born 6 October 1930) is a retired English actress, best known for her role as Emily Bishop in the soap opera "Coronation Street".  She has played the character for 55 years as she joined permanently in 1961, making her the longest-serving female cast member in a British soap opera.  She is the mother of sports journalist Oliver Holt.  She was awarded an MBE in the 2010 Queens Birthday Honours list with her fellow co-star and friend, Barbara Knox.

Emily Osment: Emily Jordan Osment (born March 10, 1992) is an American actress, singer, and songwriter born in Los Angeles, California.  After working in several television films in her childhood, she gained fame for co-starring as the character Gerti Giggles in "" and "".  She went on to co-star in the Emmy-nominated Disney Channel sitcom "Hannah Montana" as Lilly Truscott as well as the series movie, "".  She also starred as Cassie in R. L. Stine's "" and the Disney Channel original movie, "Dadnapped" as Melissa Morris.  Osment expanded her repertoire into pop music and alternative/indie rock, where she has recorded teen pop hits like "I Don't Think About It", "If I Didn't Have You" alongside her "Hannah Montana" co-star Mitchel Musso, and "Once Upon a Dream".

Dawn Staley Award: The Dawn Staley Award was established in 2013 to "recognize the nation’s best guard in Women’s Division I college basketball".  It was established by the Phoenix club of Philadelphia, an organization established to recognize the achievements of outstanding male and female basketball players.  The award was named after Dawn Staley, a Philadelphia native recognized as one of the nation's best guards in women's college basketball history.  The organization establish a watchlist of potential winners during the year and at the end of the season selects the player who "exemplifies the skills that Dawn possessed throughout her career; ball handling, scoring, her ability to distribute the basketball and her will to win".

Lisa Niemi: Lisa Anne Haapaniemi Swayze DePrisco (born May 26, 1956), also known by her stage name, Lisa Niemi, is an American writer, director, actress and dancer.  She is the widow of actor, singer, and dancer Patrick Swayze.  They were married for 34 years, from 1975 until his death in 2009.

Liz Dawn: Sylvia Butterfield MBE (8 November 1939 – 25 September 2017), known professionally as Elizabeth Dawn or Liz Dawn, was an English actress, best known for her role as Vera Duckworth in the long-running British soap opera "Coronation Street".  First starting on the serial in 1974, she had a recurring role as a factory worker until her husband, Jack, (played by Bill Tarmey) first appeared in 1979.  She played the character of Vera for 34 years.  For her role in the soap, she received the Lifetime Achievement Award at the 2008 British Soap Awards.  She was appointed an MBE in the 2000 Queens Birthday Honours.

Go, Stewie, Go!: "Go, Stewie, Go!"  is the 13th episode of the eighth season of the animated comedy series "Family Guy".  It originally aired on Fox in the United States on March 14, 2010.  The episode features Stewie after he auditions, cross-dressed under the pseudonym Karina Smirnoff, for a female role in the American version of "Jolly Farm Revue", and eventually ends up falling in love with a female co-star on the show.  Meanwhile, Lois finds herself attracted to Meg's surprisingly normal boyfriend, once Peter causes her to realize her advancing age.

Supporting paragraphs: Steel Dawn Lisa Niemi
Answer: May 26, 1956