What is the nationality of a basketball player who competed in the 1988 Summer Olympics and won the ACB Finals Most Valuable Player Award twice?
ACB Finals Most Valuable Player Award:  Since then, only three players have won the award more than once: Arvydas Sabonis (2 times), Juan Carlos Navarro (3 times) and Felipe Reyes (2 times). Arvydas Sabonis:  Playing the center position, Sabonis won a gold medal at the 1988 Summer Olympics in South Korea for the Soviet Union, and later earned bronze medals at the 1992 and 1996 games representing Lithuania.
i don't know