CREATE TABLE table_16994 ("Marginal Ordinary Income Tax Rate" TEXT, "Single" TEXT, "Married Filing Jointly or Qualified Widow ( er ) " TEXT, "Married Filing Separately" TEXT, "Head of Household" TEXT)

What is the range of married filing jointly or qualified widower in which married filing separately is $33,951 $68,525?
SELECT "Married Filing Jointly or Qualified Widow(er)" FROM table_16994 WHERE "Married Filing Separately" = '$33,951–$68,525'
SELECT "Married Filing Jointly or Qualified Widow(er)" FROM "table_16994" WHERE "Married Filing Separately" = '$33,951–$68,525'