CREATE TABLE table_47844 ("Tournament" TEXT, "1998" TEXT, "1999" TEXT, "2000" TEXT, "2001" TEXT, "2002" TEXT, "2003" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT, "2012" TEXT, "2013" TEXT)

what is 2013 when 2001 is qf and 2011 is 4r?
SELECT "2013" FROM table_47844 WHERE "2001" = 'qf' AND "2011" = '4r'
SELECT "2013" FROM "table_47844" WHERE "2001" = 'qf' AND "2011" = '4r'