CREATE TABLE table_43121 ("Team" TEXT, "Country" TEXT, "Home" TEXT, "Skip" TEXT, "Third" TEXT, "Second" TEXT, "Lead" TEXT)

Who is the lead on the Europe team that has a Liudmila Privivkova as the skip?
SELECT "Lead" FROM table_43121 WHERE "Team" = 'europe' AND "Skip" = 'liudmila privivkova'
SELECT "Lead" FROM "table_43121" WHERE "Skip" = 'liudmila privivkova' AND "Team" = 'europe'