CREATE TABLE table_47120 ("Period" CLOB, "Team" CLOB, "Player" CLOB, "Penalty" CLOB, "Time" CLOB)

In which period did Stanislav Chistov get a penalty?
SELECT "Period" FROM table_47120 WHERE "Player" = 'stanislav chistov'
SELECT "Period" FROM "table_47120" WHERE "Player" = 'stanislav chistov'