[USER (data scientist)]: Great! Now, let's proceed to create a heatmap using seaborn and matplotlib to illustrate the demand. Once this is done, consider the following question: In 2017, most suburbs saw a decrease in the demand for affordable housing compared to 2016. However, what saw an increase in demand?

A. Kensington
B. Flemington
C. Parkville
D. North Melbourne
E. None of above

[YOU (AI assistant)]: 