title: Death Star
context: The Death Star began as a Geonosian design, but became operational after nearly two decades of work by a team of brilliant scientists sequestered on the rainswept world of Eadu. Led by a reluctant Galen Erso, the Death Star scientists seek to fuse kyber-crystal shards into larger structures and use those crystals to amplify energy into a stable beam powerful enough to destroy an entire planet.
question: Who built the Death Star?
answers: Galen Erso