fig, axes = plt.subplots(1, 1, figsize=(12, 5))

clean_df['tax_class_at_sale'] = clean_df['tax_class_at_sale'].apply(str)

sns.relplot(x="sale_price_millions", y='gross_sqft_thousands', hue="neighborhood", data=clean_df, ax=axes)

fig.suptitle('Sale Price by Neighborhood', position=(.5,1.05), fontsize=20)
fig.tight_layout()
fig.show()