When did the producer born on June 25, 1963 release his first song that became a UK and US number one hit? 
George Michael: Georgios Kyriacos Panayiotou (25 June 1963 – 25 December 2016), known professionally as George Michael, was an English singer, songwriter, record producer, and philanthropist who rose to fame as a member of the music duo Wham! Wake Me Up Before You Go-Go: , first released as a single in the UK on 14 May 1984. Wake Me Up Before You Go-Go:  It became their first UK and US number one hit.
14 May 1984