CREATE TABLE table_38174 ("Tournament" CLOB, "2009" CLOB, "2010" CLOB, "2011" CLOB, "2012" CLOB)

Which tournament had a 2010 result of QF and a 2012 result of SF?
SELECT "Tournament" FROM table_38174 WHERE "2012" = 'sf' AND "2010" = 'qf'
SELECT "Tournament" FROM "table_38174" WHERE "2010" = 'qf' AND "2012" = 'sf'