MethodError: objects of type String are not callable

#first plot the data
plot(numpirates, globaltemperatures, legend=false)
scatter!(numpirates, globaltemperatures, legend=false)

#this reverses x axis we can see how the temperature changes
xflip!()

title!(“Global temperatures”)

I am having issues while executing the above code.

MethodError: objects of type String are not callable

Stacktrace:
[1] top-level scope
@ In[44]:8