 Complete the following phrase:  Kirov Stadium with a capacity of 70 thousand seats now a modern Gazprom Arena since 2017 which will host 2018 FIFA World Cup matches was one of the largest stadiums in the world and home to FC Zenit Saint Petersburg from 1950 to 1993 and again in 1995. In 1951 a crowd of 110,000 set the single-game attendance record for Soviet football. In 1984, 2007, 2010 and 20112012, Zenit were the champions of the Soviet and Russian leagues, respectively, and won the Russian Cup in 1999 and 2010, the UEFA Cup 200708 season and the 