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_separately VARCHAR, head_of_household VARCHAR )

### Question ###
What is ithe range for married filing separately where head of household is $117,451 $190,200?

### Accurate SQL ###

SELECT married_filing_separately FROM table_11647327_2 WHERE head_of_household = "$117,451–$190,200"