Please answer the following question: - death place is chandler , arizona , u.s. - president is lon nol - order is prime minister of the khmer republic - successor is long boret '' unknown '' - party is democratic party - death date is 1 april 2006 - predecessor is hang thun hak cheng heng - office is speaker of parliament minister for the interior - primeminister is lon nol norodom kantol - term end is december 9 , 1973 march 11 , 1971 1966 - term start is may 6 , 1973 march 18 , 1970 1964 - birth date is 22 september 1922 - birth place is steung trang , kompong cham , cambodia Given the details above, guess who could this information be about.
A:
in tam