What is the range of married filing jointly or qualified widower in which married filing separately is $33,951–$68,525?
create table table_11647327_2 (married_filing_jointly_or_qualified_widow_er_ varchar, married_filing_separately varchar, PRIMARY KEY (married_filing_jointly_or_qualified_widow_er_))
select married_filing_jointly_or_qualified_widow_er_ from table_11647327_2 where married_filing_separately = "$33,951–$68,525"