Given the task definition and input, reply with output. Generate a correct and concise answer for the question based on the words in the context.

Context : MOA-2009-BLG-387L is a red dwarf in the Sagittarius constellation that is host to the planet MOA-2009-BLG-387Lb.
Question : What constellation is MOA-2009-BLG-387L part of?
Sagittarius