[PAR] [TLE] North Hertfordshire [SEP] North Hertfordshire is a local government district in Hertfordshire, England.  Its council is based in Letchworth. [PAR] [TLE] Letchworth [SEP] Letchworth, officially Letchworth Garden City, is a town in Hertfordshire, England, with a population of 33,600.  It is a former civil parish.
[PAR] [TLE] North Hertfordshire [ SEP ] North Hertfordshire is a local government district in Hertfordshire , England . Its council is based in Letchworth . [PAR] [TLE] Letchworth [ SEP ] Letchworth , officially Letchworth Garden City , is a town in Hertfordshire , England , with a population of 33,600 . It is a former civil parish .
What is the population of the city where the North Hertfordshire council is based?
What is the population of the city where the North Hertfordshire council is based ?
33,600
33,600