Complex sentence: Two franchises played in the second incarnation of the Negro National League: the Philadelphia Stars played from 1934 to 1948, while the Bacharach Giants played in the league in 1934.
Split into simpler sentences: Two franchises played in the second incarnation of the Negro National League. The Philadelphia Stars played from 1934 to 1948, while the Bacharach Giants played in the league in 1934.