Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_11647327_2 (married_filing_jointly_or_qualified_widow_er_ VARCHAR, married_filing_separately VARCHAR)

### Question ###
What is the range of married filing jointly or qualified widower in which married filing separately is $33,951–$68,525?

### Accurate SQL ###

SELECT married_filing_jointly_or_qualified_widow_er_ FROM table_11647327_2 WHERE married_filing_separately = "$33,951–$68,525"