CREATE TABLE table_49966 ("Res." TEXT, "Record" TEXT, "Opponent" TEXT, "Method" TEXT, "Event" TEXT, "Round" TEXT, "Location" TEXT)

What round did the match go to when the event was Bars - Moscow vs St. Petersburg?
SELECT "Round" FROM table_49966 WHERE "Event" = 'bars - moscow vs st. petersburg'
SELECT "Round" FROM "table_49966" WHERE "Event" = 'bars - moscow vs st. petersburg'