context: Name of office1. Hammer DeRoburt (1922-1992) 31 January 1968 - 22 December 19762. Bernard Dowiyogo (1946-2003) 22 December 1976 - 19 April 19783. Lagumot Harris (1938-1999) 19 April 1978 - 15 May 19784. Hammer DeRoburt (second admin) 15 May 1978 - 17 September 19865. Kennan Adeang17 September 1986 - 1 October 19866. Hammer DeRoburt (third admin) 1 October 1986 - December 19867. Kennan Adeang (second admin) December 1986 - December 19868. Hammer DeRoburt (fourth admin) December 1986 - 17 August 19899. Kenos Aroi17 August 1989 - 12 December 198910. Bernard Dowiyogo (second admin) 12 December 1989 - 22 November 199511. Lagumot Harris (second admin) 22 November 1995 - 11 November 199612. Bernard Dowiyogo (third admin) 11 November 1996 - 26 November 199613. Kennan Adeang (third admin) 26 November 1996 - 19 December 199614. Rueben Kun19 December 1996 - 13 February 199715. Kinza Clodumar (1945-) 13 February 1997 - 18 June 199816 Bernard Dowiyogo (fourth admin) 18 June 1998 - 27 April 199917. René Harris (194 8-) 27 April 1999 - 20 April 200018. Bernard Dowiyogo (fifth admin) 20 April 2000 - 30 March 200119. René Harris (second admin) 30 March 2001 - 9 January 200320. Bernard Dowiyogo (sixth admin) 9 January 2003 - 17 January 200321. René Harris (third admin) 17 January 2003 - January 18 200322. Bernard Dowiyogo (seventh admin; died while in office) 18 January 2003 - 10 March 200323. Derog Gioura (1932-2008) 10 March 2003 - 29 May 2003 (provisionally until 20 March 2003) 24. Ludwig Scotty29 May 2003 - 8 August 200325. René Harris (fourth admin) 8 August 2003 - 22 June 200426. Ludwig Scotty (second admin) 22 June 2004 - 19 December 200727. Marcus Stephen (1969-) 19 December 2007 - 10 November 201128 Freddie Pitcher (1967-) 10 November 2011 - 15 November 201129. Sprent Dabwido (1972-) 15 November 2011 - 11 June 201330. Baron Waqa (1959-) 11 June 2013 - Present
question: Who is Nauru's first president?
answers.text: Hammer DeRoburt