In these special elections, the winner was elected during 2014 but seated before January 3,2015--except that one was seated on January 3,2015, the effective date of the predecessor's resignation.
The winner was elected during 2014. This was in these special elections. The winner was seated before January 3,2015 --. This was in these special elections. One was seated on January 3,2015. January 3,2015 was the effective date of the predecessor's resignation.