[["In 1908, Boxer Jack Johnson became the first African American to win the world heavyweight crown.", 167.0], ["John Arthur Johnson\nJack Johnson, byname of John Arthur Johnson, (born March 31, 1878, Galveston, Texas, U.S.\u2014died June 10, 1946, Raleigh, N.C.), American boxer who was the first African American to become heavyweight champion.", 69.0]]
who is the first black heavyweight champion
sports,wrestler