CREATE TABLE table_20610 ("Year" TEXT, "Stamp duty reserve tax" TEXT, "Standard Stamp Duty" TEXT, "Standard Duties Total Revenue  ( in \\u20acmillion ) " FLOAT, "over Total Tax Revenue  ( in % ) " TEXT, "over GDP  ( in % ) " TEXT)

When the standard stamp duty is 367 what is the percentage over gdp?
SELECT "over GDP (in %)" FROM table_20610 WHERE "Standard Stamp Duty" = '367'
SELECT "over GDP (in %)" FROM "table_20610" WHERE "Standard Stamp Duty" = '367'