 Complete the following phrase:  Porto have won four titles in a single season on two occasions: in 198788 UEFA Super Cup, Intercontinental Cup, Primeira Liga and Taça de Portugal and in 201011 Supertaça, Primeira Liga, UEFA Europa League and Taça de Portugal. The latter also included the clubs second continental treble, after the one achieved in 200203 Primeira Liga, Taça de Portugal and UEFA Cup. The club also reached the Cup Winners Cup final in 198384 losing to Juventus and made three more appearances in the UEFA Super Cup 2003, 