 Complete the following phrase:  Ioanna Stamatopoulou , born 17 June 1998 is a Greek water polo player, playing as a goalkeeper for Olympiacos and the Greece womens national team. As a player of Olympiacos, she won the 201415 LEN Euro League Women, the 2015 Womens LEN Super Cup and the 2014 Womens LEN Trophy. She was part of the Greek national team that won the silver medal at the 