What is the code to change a plot's title in Seaborn with this barplot code?

ax $=$ sns$.$barplot$($ x$=$xvalues, y$=$yvalues $)$

What is the code to change a plot's title in Seaborn with this barplot code?

ax $=$ sns$.$barplot$($ x$=$xvalues, y$=$yvalues $)$

ax$.$set$\_$title$($ 'Title of Bar Plot' $)$

sns$.$set$\_$title$($ 'Title of Bar Plot' $)$

plt$.$set$\_$title$($ 'Title of Bar Plot' $)$

ax$[0].$set$\_$title$($ 'Title of Bar Plot' $)$