Input (grade 8): Valery Gergiev Official website The "Stars of the White Nights" festival was originally started by the first mayor of St. Petersburg, Anatoly Sobchak, and has been held annually since 1993.
Output (grade 6): The "Stars of the White Nights" festival was originally started by the first mayor of St. Petersburg, Anatoly Sobchak, and has been held every year since 1993.