Table: capital_gains_tax_rates_2
Columns: marginal_ordinary_income_tax_rate
single
married_filing_jointly_or_qualified_widow_er
married_filing_separately
head_of_household

Question: Name the head of household for married filing jointly or qualified widow(er) being $137,051–$208,850
SQL: SELECT "head_of_household" FROM capital_gains_tax_rates_2 WHERE "married_filing_jointly_or_qualified_widow_er" = '$137,051–$208,850'

Question: Name the married filing jointly or qualified widow(er) with head of household being $117,451–$190,200
SQL: SELECT "married_filing_jointly_or_qualified_widow_er" FROM capital_gains_tax_rates_2 WHERE "head_of_household" = '$117,451–$190,200'

Question: Name the married filing separately for single of $0–$8,350
SQL: SELECT "married_filing_separately" FROM capital_gains_tax_rates_2 WHERE "single" = '$0–$8,350'

Question: Name the head of household that has married filing separately of $104,426–$186,475
SQL: SELECT "head_of_household" FROM capital_gains_tax_rates_2 WHERE "married_filing_separately" = '$104,426–$186,475'

Question: Name the marginal ordinary income tax rate that has a head of household of $372,951+
SQL: SELECT "marginal_ordinary_income_tax_rate" FROM capital_gains_tax_rates_2 WHERE "head_of_household" = '$372,951+'