Question: What is ithe range for married filing separately where head of household is $117,451–$190,200?
SQL: SELECT "Married Filing Separately" FROM "1-11647327-2" 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 "1-11647327-2" 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 "1-11647327-2" 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 "1-11647327-2" 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 "1-11647327-2" 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 "1-11647327-2" WHERE "Married Filing Jointly or Qualified Widow(er)" = '$208,851–$372,950';