user: Question: What is the stamp duty reserve tax when the percentage over total tax revenue is 0.79?
Columns: ['Year', 'Stamp duty reserve tax', 'Standard Stamp Duty', 'Standard Duties Total Revenue (in €million)', 'over Total Tax Revenue (in %)', 'over GDP (in %)']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['1995-96', 'n.a.', 'n/a', 1810.0, '0.59', '0.20']
SQL:

assistant: SELECT "Stamp duty reserve tax" FROM "Table" WHERE "over Total Tax Revenue (in %)" = '0.79';