Question: At what nightclub did Romeo Gigli meet the founder and chair of the Bianca Jagger Human Rights Foundation?

Context paragraphs:
Human Rights Foundation: The Human Rights Foundation (HRF) is a non-profit organization that promotes and protects human rights globally, with a focus on closed societies.  HRF organizes the Oslo Freedom Forum.  The Human Rights Foundation was founded in 2005 by Thor Halvorssen Mendoza, a Venezuelan film producer and human rights advocate.  The foundation's head office is in New York City.

Romeo Gigli: Gigli was born in Castel Bolognese.  Orphaned at the age of 18, he went travelling for the next decade, eventually finding his way to New York City in 1977, where he frequented the nightclub Studio 54 and met Bianca Jagger.  His style in New York was admired and he was asked to consult on fashion for the designer Piero Dimitri.

Castan Centre for Human Rights Law: The Castan Centre for Human Rights Law is a research centre located within the Monash University Law Faculty in Victoria, Australia.  It was established in 2000 to meet the need for, and interest in, the study of human rights law globally, regionally and in Australia.  It grew rapidly to become the largest research centre in the Monash Law School.  It is the preeminent human rights centre in the Asia-Pacific region, and is one of Australia's most respected human rights monitoring organisations.  Its function is to bring together the work of national and international human rights scholars, practitioners and advocates from a wide range of disciplines in order to promote and protect human rights.

Javier El-Hage: Carlos Javier El-Hage Guaristi (born 1982) is a Bolivian attorney, former Fulbright scholar and constitutional law professor with publications on international investment law and arbitration, international human rights law, and comparative constitutional law.  El-Hage currently serves as Chief Legal Officer of the New York-based Human Rights Foundation (HRF) and heads the HRF Center for Law and Democracy, where he researches and writes on comparative constitutional law and international law.

Bianca Jagger: Bianca Jagger (born Bianca Pérez-Mora Macias; 2 May 1945) is a Nicaraguan social and human rights advocate and a former actress.  Jagger currently serves as a Council of Europe goodwill ambassador, founder and chair of the Bianca Jagger Human Rights Foundation, member of the Executive Director's Leadership Council of Amnesty International USA, and a trustee of the Amazon Charitable Trust.

Human Rights Foundation (New Zealand): The Human Rights Foundation of Aotearoa New Zealand is a non-governmental organisation in New Zealand, which seeks "to promote and defend human rights through research based education and advocacy."

Human Rights Foundation of Turkey: The Human Rights Foundation of Turkey (HRFT) (Turkish: "Türkiye İnsan Hakları Vakfı" , TİHV) is headquartered in Ankara.  The organization is committed to treating torture survivors and documenting human rights violations.

Oslo Freedom Forum: Oslo Freedom Forum (OFF) is a series of global conferences run by the New York-based non-profit Human Rights Foundation under the slogan “Challenging Power.”  OFF was founded in 2009 as a one-time event and has taken place annually ever since.  One of the key objectives of the conferences is to bring together notable people, including former heads of state, winners of the Nobel Peace Prize, prisoners of conscience, as well as of other public figures in order to network and exchange ideas about human rights and exposing dictatorships.

Korea Human Rights Foundation: The Korea Human Rights Foundation (KHRF) was established in 1999 by prominent human rights experts, activists, lawyers, and academics following the commemorative events of the 50th anniversary of the Universal Declaration of Human Rights, the KHRF strives to promote solidarity for empowerment in the realm of human rights in Korea.

Kaleidoscope Australia Human Rights Foundation: Kaleidoscope Australia Human Rights Foundation (commonly known as "Kaleidoscope Australia" or KAHRF) is a non-governmental organisation in Australia focused on human rights of sexual and gender minorities in the Asia Pacific region.

Supporting paragraphs: Romeo Gigli Bianca Jagger
Answer: Studio 54