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 "2-11647327-2" 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 "2-11647327-2" 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 "2-11647327-2" 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 "2-11647327-2" 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 "2-11647327-2" WHERE "Head of Household" = '$372,951+';