CREATE TABLE table_name_75 (over_total_tax_revenue__in__percentage_ VARCHAR, stamp_duty_reserve_tax VARCHAR, year VARCHAR)

What is the Total Tax Revenue that has an n.a. Stamp Duty Reserve Tax in the years 1995-96?
SELECT over_total_tax_revenue__in__percentage_ FROM table_name_75 WHERE stamp_duty_reserve_tax = "n.a." AND year = "1995-96"
SELECT "over_total_tax_revenue__in__percentage_" FROM "table_name_75" WHERE "1995-96" = "year" AND "n.a." = "stamp_duty_reserve_tax"