CREATE TABLE table_46 ("Scheme" TEXT, "Tariff code" TEXT, "BTs retail price  ( regulated ) " TEXT, "Approx premium" TEXT, "Prefixes" TEXT)

What is the bts retail price (regulated) for tariff code g10?
SELECT "BTs retail price (regulated)" FROM table_46 WHERE "Tariff code" = 'g10'
SELECT "BTs retail price (regulated)" FROM "table_46" WHERE "Tariff code" = 'g10'