Question: When was the singer of "America's Sweetheart" born? 

Context paragraphs:
Angélica Vale: Angélica Vale (born Angélica María Vale Hartman on November 11, 1975 in Mexico City, Mexico) is a Mexican actress, singer, and comedian known also as the daughter of Angélica María, "La Novia de Mexico" (Mexico's Sweetheart), and as the daughter of comedian Raúl Vale.  She has been working as an actress for almost 30 years, but achieved fame in 2006 when she became the protagonist of "La Fea Más Bella" ("The Prettiest Ugly Girl"), a Mexican telenovela, with her real-life mother.  She starred in the webnovela "No me hallo" as Luchita Guerra a young woman with a big dream of becoming a singer.  Early in 2012, Vale was a team captain on the Mexican TV Show "Parodiando", of Televisa network.

Kalie Wright: Kalie Kathleen Wright (born April 27, 1993) is an American beauty pageant titleholder from Twin Falls, Idaho, who was crowned Miss National Sweetheart 2014 and Miss Idaho 2015.  She competed for the Miss America 2016 title in September 2015.

Scott Eyman: Scott Eyman (born March 2, 1951) is an American author, and former book editor and art critic of "The Palm Beach Post".  He is a frequent book reviewer for "The Wall Street Journal", and has been a contributor for "The New York Observer".  His books specialize in the Golden Age of Hollywood.  He is the author of "John Wayne: The Life and Legend", (2014), "Empire of Dreams: The Epic Life of Cecil B. DeMille", (2010), "Louis B. Mayer: Lion of Hollywood" (Simon & Schuster, (2005), "Print the Legend: The Life and Times of John Ford" (2001), "Ernst Lubitsch: Laughter in Paradise" (2000), and "The Speed of Sound: Hollywood and the Talkie Revolution 1926-1930" (1997), "Mary Pickford: America's Sweetheart" (1990), and "Five American Cinematographers" (1987).  With co-author Louis Giannetti, he published ": A Brief History of Film" (1986), now in its seventh edition.

Little Pattie: Patricia "Little Pattie" Thelma Thompson (nee "Amplett") OAM (born 17 March 1949, Paddington, Sydney), is an Australian singer who performed as a 1960s surf pop singer and then in adult contemporary music.  Her debut single from November 1963, "He's My Blonde Headed, Stompie Wompie, Real Gone Surfer Boy", achieved #2 chart success in Sydney and peaked at #19 on the national Kent Music Report.  She appeared regularly on television variety programs, including "Bandstand" and toured supporting Col Joye and the Joy Boys.  Little Pattie was entertaining troops during the Vietnam War in Nui Dat, Vietnam, as an Australia Forces Sweetheart, when the nearby Battle of Long Tan began on 18 August 1966.  In 1994 she received the Vietnam Logistic and Support Medal "in recognition of her services in support of the Australian Armed Forces in operations in Vietnam."

America's Sweetheart (song): "America's Sweetheart" is a song recorded by American singer and songwriter Elle King for her debut studio album, "Love Stuff" (2015).  King co-wrote the song with its producer, Martin Johnson.  It serves as the album's second mainstream single and the third overall (promoted concurrently with rock single "Under the Influence"), and was serviced to hot adult contemporary radio in the United States through RCA Records on February 8, 2016.

David Kersh: Charles David Kersh (born December 9, 1970 in Humble, Texas) is an American country music singer who made his debut in 1996.  His first album, "Goodnight Sweetheart", was released that year, producing four singles on the "Billboard" Hot Country Singles & Tracks charts.  A second album, titled "If I Never Stop Loving You", was released a year later, producing three additional chart singles.  Although he never charted after 1998, Kersh remained active in the music business until 2005.

Elle King: Tanner Elle Schneider (born July 3, 1989), known professionally as Elle King, is an American singer, songwriter, and actress.  Her musical style encompasses country, soul, rock and blues.  In 2012, King released her debut EP, "The Elle King EP", on RCA.  The EP track "Playing for Keeps" is the theme song for VH1's "Mob Wives Chicago" series.  She released her debut album, "Love Stuff" on February 17, 2015.  The album produced the US top 10 single "Ex's & Oh's," which earned her two Grammy Award nominations.  King has also toured with acts such as Of Monsters and Men, Train and Michael Kiwanuka.  She is the daughter of comedian Rob Schneider and former model London King.  She currently resides in Los Angeles, not Brooklyn.

Libertad Lamarque: Libertad Lamarque (] ); (Rosario, November 24, 1908 – Mexico City, December 12, 2000) was an Argentine actress and singer, one of the icons of the and Mexican cinema.  She achieved fame throughout Latin America, and became known as “La Novia de América” (“The Sweetheart of the Americas”).  By the time she died in 2000, she had appeared in 65 films (21 filmed in Argentina, 45 in Mexico and one in Spain) and six soap operas, had recorded over 800 songs and had made innumerable theatrical appearances.

Vera Lynn: Dame Vera Margaret Lynn, {'1': ", '2': ", '3': ", '4': "} (née Welch; born 20 March 1917), widely known as "the Forces' Sweetheart", is an English singer of traditional pop, songwriter and actress, whose musical recordings and performances were enormously popular during the Second World War.

Cheri Keaggy: Cheri Keaggy (born Cheri Louise Anderson; August 29, 1968) is a gospel singer and songwriter, with a musical style of Contemporary Christian music.  She is now divorced from her high school sweetheart Eddie Keaggy, the nephew of the CCM pioneer artist, Phil Keaggy.

Supporting paragraphs: America's Sweetheart (song) Elle King
Answer: July 3, 1989