Question: Which songwriter born 19 October 1946 wrote the song "You're the Voice" ?

Context paragraphs:
John Hanbury-Williams: Major-General Sir John Hanbury-Williams (19 October 1859 – 19 October 1946) was a British Army officer, who served as Military Secretary to the Secretary of State for War and later Brigadier-General in charge of Administration (Scotland).  He served on the International Olympic Committee (IOC), representing Canada between 1911 and 1921.  During the First World War he was head of the British military mission with the Russian Stavka with direct access to Tsar Nicholas II.

Keith Reid: Keith Stuart Brian Reid (born 19 October 1946 in Welwyn Garden City, Hertfordshire, England) is a songwriter who wrote the lyrics of every Procol Harum song that is not instrumental or a cover with the exception of their most recent album "Novum".

Peter Holman: Peter Kenneth Holman MBE (born 19 October 1946, London) is an English conductor and musicologist best known for reviving the music of Purcell and his English contemporaries.  Holman, with the ensemble The Parley of Instruments made many of the extensive series of recordings of lesser-known English baroque music on Hyperion Records in that label's "English Orpheus" series from 1980-2010.  The ensemble was co-founded in 1979 by Holman and the violinist Roy Goodman.  Holman and the ensemble now record on the Chandos Classics label.

Philip Pullman: Philip Pullman CBE, FRSL (born 19 October 1946) is an English novelist.  He is the author of several best-selling books, most notably the fantasy trilogy "His Dark Materials" and the fictionalised biography of Jesus, "The Good Man Jesus and the Scoundrel Christ".  In 2008, "The Times" named Pullman one of the "50 greatest British writers since 1945".  In a 2004 poll for the BBC, Pullman was named the eleventh most influential person in British culture.

Terry Cameron: Terry Gordon Cameron (born 19 October 1946) is a former South Australian politician.

You're the Voice: "You're the Voice" is a song written by Andy Qunta, Keith Reid, Maggie Ryder and Chris Thompson.  Australian singer John Farnham recorded the song for his album "Whispering Jack" released in 1986.  The song was awarded the 1987 ARIA Award for "Single of the Year".  The song was one of the biggest hits of 1986 in Australia, topping the Kent Music Report Singles Chart for seven weeks from 3 November to 21 December.

Juan Camilo Restrepo Salazar: Juan Camilo Restrepo Salazar (born 19 October 1946) was the 10th Minister of Agriculture and Rural Development of Colombia, serving in the administration of President Juan Manuel Santos Calderón.  A veteran politician, he also served as the 63rd Minister of Finance and Public Credit of Colombia, the 17th Minister of Mines and Energy of Colombia, the 20th Ambassador of Colombia to France, and as Senator of Colombia.  A lifelong member of the Conservative Party, he tried to run for the Conservative presidential nomination in 1998 and 2002, ultimately losing in the primaries both times.

Elizabeth Harvey: Elizabeth Robyn Harvey (born 19 October 1946) is an Australian politician.  She was an Australian Labor Party member of the Australian House of Representatives from 1987 to 1990.

Franz Schmidberger: Franz Schmidberger (born 19 October 1946 in Riedlingen, Württemberg-Hohenzollern, Germany) is a priest of the Society of St. Pius X, founded by Archbishop Marcel Lefebvre.

Jürgen Croy: Jürgen Croy (born 19 October 1946 in Zwickau, Germany) is a former international football goalkeeper for the German Democratic Republic.

Supporting paragraphs: You're the Voice Keith Reid
Answer: Keith Reid