Premise: Jack Roosevelt Robinson ( January 31 , 1919 -- October 24 , 1972 ) was an American professional baseball second baseman who became the first African American to play in Major League Baseball ( MLB ) in the modern era . Robinson played in six World Series and contributed to the Dodgers ' 1955 World Series championship . In the 1960s , he helped establish the Freedom National Bank , an African-American-owned financial institution based in Harlem , New York .
Hypothesis: Jackie Robinson only contributed to the Dodgers' 1976 World Series championship.
Label: CONTRADICTION