Question: David Campbell is the son of a singer born on which day ?

Context paragraphs:
Portland Firefighters Park: Portland Firefighters Park is a public park located in Portland, Oregon.  In 1927, the park was established, to include a memorial in honor of firefighter David Campbell.  Campbell was the fire chief for Portland and was killed in action while fighting a fire at a Union Oil distribution plant.  It was added to the U.S. National Register of Historic Places on September 24, 2010, as the David Campbell Memorial.

On Broadway (David Campbell album): On Broadway (sometimes referred to as "David Campbell On Broadway") is the sixth studio album from Australian singer/actor David Campbell, released in Australia on 2 April 2010.  "On Broadway" marks a departure by Campbell from his previous albums of swing and rock music, back to the genre of musical theatre through which he first rose to fame.  The album reached number seven on the Australian national ARIA chart.

Jimmy Barnes: James Dixon Swan {'1': ", '2': ", '3': ", '4': "} (born 28 April 1956), better known as Jimmy Barnes, is a Scottish-Australian rock singer-songwriter.  His career both as a solo performer and as the lead vocalist with the rock band Cold Chisel has made him one of the most popular and best-selling Australian music artists of all time.  The combination of 14 Australian Top 40 albums for Cold Chisel and 13 charting solo albums, including nine No. 1s, gives Barnes the highest number of hit albums of any Australian artist.

David Campbell (Australian musician): David Joseph Campbell (born 6 August 1973, Adelaide, South Australia) is an Australian singer, stage performer and television presenter.  He has performed and recorded many different genres of music from rock to classics.  He is the son of rock and soul singer Jimmy Barnes.

Dog on Wheels: Dog on Wheels is the debut EP by Belle & Sebastian, released in 1997 on Jeepster Records.  The four recordings on the EP actually pre-date the band's début album "Tigermilk", produced whilst bandmembers Stuart Murdoch and Stuart David were on the Beatbox music course in Glasgow.  Murdoch, David and Mick Cooke are the only long-term members to play on the songs, though Cooke only appears on the title track.  The drums were supplied by David Campbell, whilst Brian Nugent played flute on "String Bean Jean", and Gerry Campbell, a tutor at Beatbox, provided keyboards on "The State I Am In" and "Belle & Sebastian" as well as lead guitar on "String Bean Jean".  Other contributors to the E.P. include Mark McWhirter, Michael Angus and David Mackenzie, though their roles have not been confirmed.

David Campbell Sings John Bucchino: David Campbell Sings John Bucchino' is the eighth studio album by Australian singer David Campbell, released in June 2014.  The album was received critical acclaim and reached #1 on the Australian Jazz Charts.

David Campbell (1927 fireboat): The David Campbell was a long-serving fireboat built in 1928 for Oregon's Portland Fire and Rescue.  She underwent an extensive rebuild, in 1976.  In 2010 Portland acquired a new smaller, faster fireboat, the "Eldon Trinity", after a child died, in 2009, when it took the "David Campbell" 44 minutes to get to scene to provide medical care.

The Essential David Campbell: The Essential David Campbell is the first greatest hits album by Australian singer, David Campbell (tenth overall).  The album was released in August 2015 and features tracks from his five Sony Music Australia albums, "The Swing Sessions", "The Swing Sessions 2", "Good Lovin'", "On Broadway" and "Let's Go".

Ian Campbell (opera director): Ian David Campbell ( () (age (2017)-()-((11)<()or(11)==()and(29)<()) ) ) is an Australian-born opera singer, stage director, administrator, radio broadcaster and writer.  He was the General Director and Artistic Director of San Diego Opera from 1983 until 2014.  As noted by James Chute in the "San Diego UT" on 19 March 2014 "the institution’s executive committee and Ian Campbell, its general and artistic director and CEO, concluded that the company’s finances were eroding to the point where its only viable course was to cease operations.  The opera’s board of directors confirmed that assertion in a 33-1 vote Wednesday."  The board's decision later became controversial.

Carroll Place: Carroll Place, also known as Old Carroll Place, is a historic plantation house located near St. George, Dorchester County, South Carolina.  Research completed circa 2012 at the South Carolina Archives in Columbia S.C. shows the house was built circa 1780, and is a plain two-story, Georgian I-house dwelling.  It is sheathed in clapboard single house and rests upon low brick pillars.  It has a hip roofed verandah supported by six wooden posts.  Its builder was likely Thomas Ferguson or David Campbell.  In 2008 the house was donated to the Dorchester County Historical Society by current owners Fitzhugh Lee Sweatman Jr and his wife, Martha Westbury-Sweatman.  The Dorchester County Historical Society under took an extensive restoration of the Colonial Era Plantation House and when completed, re-designated the house as the Koger-Murray-Carroll house for three of its previous owners who served in the South Carolina General Assembly: Joseph Koger (married the daughter of David Campbell and inherited the house on her death), Soule Murray (purchased the house and land from Joseph Koger), and James Parsons Carroll (purchased the property circa 1850).  James Parsons Carroll also served in the South Carolina Court of Equity as a Chancellor and was a signer of the South Carolina Ordinance of Secession.  Circa 1974 the house was added to the National Historical Register of Places as the "Old Carroll Place" for which it had become known.  The last owner/occupants of the house were the late Fitzhugh Lee Sweatman Sr and his wife Eulalie Knight-Sweatman.  Circa 1970 Mr and Mrs. Sweatman Sr built a smaller one story house off to the side of the Plantation House.  Mr. Sweatman Sr died on the property in 1975.

Supporting paragraphs: David Campbell (Australian musician) Jimmy Barnes
Answer: 28 April 1956