Task: Explanation
Input (English): Christian Emeka Okoye ( ; born August 16, 1961), is a Nigerian-American former American football fullback for the Kansas City Chiefs from 1987 to 1992. Nicknamed "The Nigerian Nightmare," Okoye was known for his powerful running style and ability to break tackles. Okoye's six seasons in the NFL saw a league rushing title in 1989, two Pro Bowl appearances (1989, 1991), and three playoff appearances. He voluntarily ended his NFL career due to multiple injuries. Question: What NFL team did the "Nigerian Nightmare" and California Sports Hall of Fame founder play for? Answer: Kansas City Chiefs
Output (English):  Nicknamed The Nigerian Nightmare, Okoye was known for his powerful running style and ability to break tackles.