Table: tax_brackets
Columns: marginal_ordinary_income_tax_rate
single
married_filing_jointly_or_qualified_widow_er
married_filing_separately
head_of_household

Question: What is ithe range for married filing separately where head of household is $117,451–$190,200?
SQL: SELECT "married_filing_separately" FROM tax_brackets WHERE "head_of_household" = '$117,451–$190,200'

Question: What is the amount of marginal ordinary income tax rate for single in which the range is $8,351– $33,950?
SQL: SELECT COUNT("marginal_ordinary_income_tax_rate") FROM tax_brackets WHERE "single" = '$8,351– $33,950'

Question: What is the range for married filing separately in which the head of household is $117,451–$190,200?
SQL: SELECT "married_filing_separately" FROM tax_brackets WHERE "head_of_household" = '$117,451–$190,200'

Question: What is the range of married filing jointly or qualified widower in which married filing separately is $33,951–$68,525?
SQL: SELECT "married_filing_jointly_or_qualified_widow_er" FROM tax_brackets WHERE "married_filing_separately" = '$33,951–$68,525'

Question: What is the range of the head of household whereas single is $171,551–$372,950?
SQL: SELECT "head_of_household" FROM tax_brackets WHERE "single" = '$171,551–$372,950'

Question: What is the amoun of marginal ordinary income tax rate where married filing jointly or qualified widow is $208,851–$372,950?
SQL: SELECT COUNT("marginal_ordinary_income_tax_rate") FROM tax_brackets WHERE "married_filing_jointly_or_qualified_widow_er" = '$208,851–$372,950'