Question: What ammunition plat was built 6km north of a city that was incorporated in 1889?
Sentence (from "Onekwaya"): Onekwaya West also known as "O-West/One-West" is a settlement in the Ohangwena Region of northern Namibia, situated 42 km north of Oshakati and 30 km from Oshikango.
Relevant evidence: No