Table: copa aldao
[['year', 'champion', 'runner - up', 'score', 'city', 'venue'], ['1913', '(abandoned) 1', '(abandoned) 1', '(abandoned) 1', '(abandoned) 1', '(abandoned) 1'], ['1916', 'nacional', 'racing', '2 - 1', 'montevideo', 'n / e'], ['1917', 'racing', 'nacional', '2 - 2', 'montevideo', 'n / e'], ['1918', 'racing', 'peñarol', '2 - 1', 'buenos aires', 'n / e'], ['1919', 'nacional', 'boca juniors', '3 - 0', 'montevideo', 'n / e'], ['1920', 'nacional', 'boca juniors', '2 - 1', 'buenos aires', 'n / e'], ['1923', 'san lorenzo', 'atlético wanderers', '1 - 0', 'buenos aires', 'n / e'], ['1927', 'san lorenzo', 'rampla juniors', '1 - 0', 'montevideo', 'n / e'], ['1928', 'peñarol', 'huracán', '3 - 0', 'buenos aires', 'river plate'], ['1936', 'river plate', 'peñarol', '5 - 1', 'montevideo', 'centenario'], ['1937', 'river plate', 'peñarol', '5 - 2', 'buenos aires', 'san lorenzo'], ['1938', 'independiente', 'peñarol', '3 - 1', 'montevideo', 'centenario'], ['1939', 'independiente', 'nacional', '5 - 0', 'buenos aires', 'san lorenzo'], ['1940', 'nacional', 'boca juniors', '2 - 2', 'montevideo', 'centenario'], ['1941', 'river plate', 'nacional', '6 - 1 1 - 1', 'buenos aires montevideo', 'san lorenzo centenario'], ['1942', 'nacional', 'river plate', '4 - 0', 'montevideo', 'centenario'], ['1945', 'river plate', 'peñarol', '2 - 1 3 - 2', 'montevideo buenos aires', 'centenario san lorenzo'], ['1946', 'nacional', 'san lorenzo', '2 - 3 7 - 2', 'buenos aires montevideo', 'huracán centenario'], ['1947', 'river plate', 'nacional', '4 - 3 3 - 1', 'montevideo buenos aires', 'centenario n / e'], ['1955', 'river plate', 'nacional', '2 - 1', 'montevideo', 'centenario']]
Statement: San Lorenzo were Champion prior to River Plate being Champion
Statement: all event of the Copa Aldao have been held in Montevideo or Buenos Aire
Statement: Peñarol won the championship in 1928 and Nacional won the championship in 1942
Statement: River Plate is the only team to win back to back championship 2 different time
Statement: Peñarol were Runner - Up 1 more time than Nacional