Table: national_minwage_rates
Columns: from
adult_rate
development_rate
16_17_year_olds_rate
apprentice_rate

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 national_minwage_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 national_minwage_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 national_minwage_rates WHERE "16_17_year_olds_rate" = '£3.40'

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