CREATE TABLE "current_and_past_rates" (
  "from" text,
  "adult_rate" text,
  "development_rate" text,
  "16_17_year_olds_rate" text,
  "apprentice_rate" text
);

Question: What is the development rate for wages with a 16-17 year old rate of £3.53, and an Adult Rate of £5.73?
SQL: SELECT "development_rate" FROM "current_and_past_rates" WHERE "16_17_year_olds_rate"='£3.53' AND "adult_rate"='£5.73';

Question: What was the adult rate when the 16-17 year old rate was £3.40?
SQL: SELECT "adult_rate" FROM "current_and_past_rates" WHERE "16_17_year_olds_rate"='£3.40';

Question: When was the rate for 16-17 year olds £3.40?
SQL: SELECT "from" FROM "current_and_past_rates" WHERE "16_17_year_olds_rate"='£3.40';

Question: When was there a development rate of £4.92?
SQL: SELECT "from" FROM "current_and_past_rates" WHERE "development_rate"='£4.92';