Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_20611 ( "Year" text, "Stamp duty reserve tax" text, "Standard Stamp Duty" text, "Standard Duties Total Revenue (in \u20acmillion)" real, "over Total Tax Revenue (in %)" text, "over GDP (in %)" text )

### Question ###
When the stamp duty reserve tax is 3,669 what is the percentage over gdp?

### Accurate SQL ###

SELECT "over GDP (in %)" FROM table_20611 WHERE "Stamp duty reserve tax" = '3,669'