Question: Luis Gianneo was teacher to what composer who died February 18, 2010?

Context paragraphs:
Warren P. McGuirk: Warren P. McGuirk (January 2, 1906 – February 19, 1981) was the dean of the School of Physical Education and Director of Athletics at the University of Massachusetts Amherst (UMass) from 1948 to 1971, and an active figure in New England sports.  He died February 19, 1981 at the New England Medical Center.  His wife died February 8 of that year.  The Warren McGuirk Alumni Stadium at UMass is named in his honor.

Charles Sherman Haight Sr.: Charles Sherman Haight of Park Ave NY was born August 8, 1870 and died February 20, 1938.  He was married to Alice M Hoyt Haight (February 18, 1867-September 30, 1937).  He is the grandfather of Charles Sherman Haight.  He was an Admiralty Expert, Specialist on International Relations in Shipping, founder of boys school and Founder of Seamen's Church Institute of New York and New Jersey.

Marta Lambertini: Marta Lambertini (born 13 November 1937) is an Argentine composer.  She was born in San Isidro, Buenos Aires, and studied at the Universidad Catolica Argentina with Roberto Caamano, Luis Gianneo and Gerardo Gandini, graduating in 1972.  She continued her studies in electroacoustic music in Buenos Aires, at the Centro de Investigationes de la Ciudad with Francisco Kröpfl, Gerardo Gandini, José Maranzano and Gabriel Brncic.

Sarmen: Sarmen (Armenian: Սարմեն ), pseudonym of Armenak Sarkisyan (Armenian: Արմենակ Սարգսյան ; (born 1 March [O.S. 16 February] 1901 in Pahvants village, Western Armenia, died February 18, 1984 in Yerevan) was a Soviet Armenian poet.

Luis Gianneo: Luis Gianneo (1897–1968) was an Argentine composer, pianist and conductor.  As music educator, he was the teacher of composers Ariel Ramirez, Juan Carlos Zorzi, Virtú Maragno, Pedro Ignacio Calderón and Rodolfo Arizaga, among others.

Richard Proulx: Richard Proulx ("AmEng" [pɺu]) (born April 3, 1937, St. Paul, Minnesota — died February 18, 2010, Chicago, Illinois) was an American composer and editor of church music, including anthems, service music, hymn concertatos, organ music and music for handbell choir, formerly based in Chicago.  The pronunciation of his name is suggested by the section of his catalog entitled "Noulx [new] from Proulx".

Olga Gorelli: Olga Gorelli, (June 14, 1920 Bologna, Italy, died February 18, 2006) was well known for her musical talents as a composer and pianist.

Johannes Matthiae Gothus: John Matthiae Gothus (born December 29, 1592 in Västra Husby - died February 18, 1670 in Stockholm) was an Uppsala University professor, the rector of the Collegium illustrious in Stockholm (1626–1629) and the most eminent teacher in Sweden during the seventeenth century.  He was Bishop of Strängnäs from 1643 to 1664.

Ahmadullah Affandi: Ahmadullah Affandi (born February 22, 1922, Bandipora, Kashmir, died February 18, 2013), also known as ‘Baba-e-J&K Scouting’, is a national award-winning scout of Jammu and Kashmir.  Affandi was born and raised in Onagam village of Bandipora district in north Kashmir.  In 1999, he received the Bharat Scouts and Guides Silver Elephant National Award in recognition of his services to the youth.  Affandi was given a state award in 2005-06.

Ariel Ramírez: Ariel Ramírez (4 September 1921 – 18 February 2010) was an Argentine composer, pianist and music director.  He was considered "a chief exponent of Argentine folk music" and noted for his "iconic" musical compositions.

Supporting paragraphs: Luis Gianneo Ariel Ramírez
Answer: Ariel Ramírez