CREATE TABLE table_11647327_2 (married_filing_jointly_or_qualified_widow_er_ VARCHAR2, married_filing_separately VARCHAR2)

What is the range of married filing jointly or qualified widower in which married filing separately is $33,951 $68,525?
SELECT married_filing_jointly_or_qualified_widow_er_ FROM table_11647327_2 WHERE married_filing_separately = "$33,951–$68,525"
SELECT "married_filing_jointly_or_qualified_widow_er_" FROM "table_11647327_2" WHERE "$33,951–$68,525" = "married_filing_separately"