user: Question: For End of Fiscal Year(s) with a Debt Held By Public ($Billions) larger than 236.8, and as % of GDP Low-High of 33.4 what is the sum of the number of Gross Debt in $Billions undeflated Treas.?
Columns: ['End of Fiscal Year', 'Gross Debt in $Billions undeflated Treas.', 'as % of GDP Low-High', 'Debt Held By Public ($Billions)', 'as % of GDP (Treas/MW, OMB or OMB/MW)', 'GDP $Billions OMB/BEA est.=MW.com']
Types: ['real', 'real', 'text', 'real', 'real', 'text']
Sample row: [1910.0, 2.653, '8.0', 2.653, 8.0, 'est. 32.8']
SQL:

assistant: SELECT SUM("Gross Debt in $Billions undeflated Treas.") FROM "Table" WHERE "Debt Held By Public ($Billions)" > 236.8 AND "as % of GDP Low-High" = '33.4';