Question: Who released more singles, Janet Gardner or Lee Ji-hye?

Context paragraphs:
Sharp (South Korean band): Sharp (stylized as S♯arp) was a South Korean pop music vocal group in the late 1990s and early 2000s.  The group consisted of Chris Kim, Jang Seok-hyun, Seo Ji-young and Lee Ji-hye.  A male original member, John Kim (UPTOWN, Slow-Jam) quit the group after the first album.  They released five albums before breaking up.  Their last album was "S♯arp Vol.  5 - StYlE."

Rhythm Nation: "Rhythm Nation" is a song by American singer Janet Jackson, released as the second single from her fourth studio album "Janet Jackson's Rhythm Nation 1814" (1989).  It was written and produced by Jackson, in collaboration with James "Jimmy Jam" Harris III and Terrence "Terry" Lewis.  Jackson developed the song's concept in response to various tragedies in the media, deciding to pursue a socially conscious theme by using a political standpoint within upbeat dance music.  In the United States, it peaked at number two on the "Billboard" Hot 100 and topped the Hot R&B/Hip-Hop Songs and Dance Club Songs singles charts.  It also peak within the top 40 of most singles charts worldwide.  "Rhythm Nation" received several accolades, including BMI Pop Awards for "Most Played Song", the Billboard Award for "Top Dance/Club Play Single" and Grammy Award nomination for Jackson as "Producer of the Year."  It has been included in two of Jackson's greatest hits collections, "" (1995) and "Number Ones" (2009).

A-L-X: Alex Gardner, now known professionally as A-L-X (born 23 July 1991, Edinburgh, Scotland) is a Scottish pop singer.  He released two singles in 2010 as Alex Gardner, "I'm Not Mad" and "Feeling Fine", before changing his stage name to A-L-X and releasing his third single, "Beautiful Criminal", in 2014. .

FM Records LLC: FM Records (FM Records LLC) is an American-based record label specializing pop-reggae and dubstep music.  FM Records is currently considered the market leader in pop-reggae recordings, having released albums and singles with Sinead O’Connor, Musiq Soulchild, Syleena Johnson, Sean Paul, Maxi Priest, Lee “Scratch” Perry, Inner Circle, Sean Paul, Marcia Griffiths, Cas Haley, Gregory Isaacs, Barrington Levy, JC Lodge, Sizzla, Chaka Demus & Pliers, Sister Nancy, Nadine Sutherland, Patra, Luciano, Ce'Cile, Beres Hammond, Wayne Wonder and Gyptian, among many others.  The company also is known for proliferating the pop-reggae genre within the British and Canadian music industries, releasing hit singles with Canadian pop/R&B celebrities Divine Brown, Jesse Giddings, Elaine Shepherd, Dru, Ammoye, and British recording stars Janet Kay, Carroll Thompson, Adele Harley, Maddy Carty, Peter Hunnigale, and Peter Spence.  The company is owned by Kemar McGregor.

Janet G. Mullins Grissom: Janet Gardner Mullins Grissom (born 1949) is a United States lobbyist who formerly worked in the United States Department of State and in the White House under George H. W. Bush.

Janet Gardner: Janet Patricia Gardner (born March 17, 1962 in Juneau, Alaska) is an American rock singer.  She is best-known as the lead singer and rhythm guitarist of the all-woman hard rock band Vixen.

Seo Ji-young: Seo Ji-young (born June 2, 1981) is a South Korean singer and a former member of pop group S#arp.  The group released six albums before their breakup in 2002, attributed to the feud between Seo and fellow female member Lee Ji-hye.  Seo Ji-young bullied fellow member Lee Ji-hye until the company was forced to disband S#arp.

Lee Ji-hye: Lee Ji-hye (born January 11, 1980) is a South Korean singer and actress.  She was former member of pop group S#arp.  The group released six albums before their breakup in 2002, attributed to the feud between Lee and fellow female member Seo Ji-young.  As a solo artist, she has released several singles.  She was a former cast member in the variety show "Infinite Girls Season 2". She has been married on September 18, 2017.

Han Ji-hye: Han Ji-hye (born Lee Ji-hye on June 29, 1984) is a South Korean actress.

Tangerine (Vixen album): Tangerine is the third album by American hard rock band Vixen.  It was recorded without contributions from former members Jan Kuehnemund and Share Pedersen.  The line-up for this album consisted of Janet Gardner and Roxy Petrucci.  "Tangerine" has a different sound from the music of the previous albums of the band, more similar to Grunge than glam metal.

Supporting paragraphs: Janet Gardner Lee Ji-hye
Answer: Lee Ji-hye