CREATE TABLE "table1_10408617_5" (
  "scheme" text,
  "tariff_code" text,
  "b_ts_retail_price_regulated" text,
  "approx_premium" text,
  "prefixes" text
);

Question: What is the regulated retail price for the tariff code ff0 prs?
SQL: SELECT "b_ts_retail_price_regulated" FROM "table1_10408617_5" WHERE "tariff_code"='ff0 PRS';

Question: What is the premium associated with tariff code g9?
SQL: SELECT "approx_premium" FROM "table1_10408617_5" WHERE "tariff_code"='g9';

Question: How many tariff codes have a bts retail price of 2p/min or inclusive?
SQL: SELECT COUNT("tariff_code") FROM "table1_10408617_5" WHERE "b_ts_retail_price_regulated"='2p/min or inclusive';

Question: How many tariff codes have a bts retail price of 2.553p/min?
SQL: SELECT COUNT("tariff_code") FROM "table1_10408617_5" WHERE "b_ts_retail_price_regulated"='2.553p/min';

Question: What prefixes are priced at pence per minute, fixed at all times with a premium of 3p/min?
SQL: SELECT "prefixes" FROM "table1_10408617_5" WHERE "scheme"='Pence per minute, fixed at all times' AND "approx_premium"='3p/min';

Question: What is the bts retail price (regulated) for tariff code g10?
SQL: SELECT "b_ts_retail_price_regulated" FROM "table1_10408617_5" WHERE "tariff_code"='g10';