Input: concept: Jackie Robinson  answers:  ['1956 Major League Baseball Season', '1948 Major League Baseball Season', '1951 Major League Baseball Season', '1949 Major League Baseball Season', '1950 Major League Baseball Season', '1955 Major League Baseball Season', '1954 Major League Baseball season', '1953 Major League Baseball Season', '1947 Major League Baseball Season', '1952 Major League Baseball Season']
Output: 

 what years did jackie robinson play baseball?