Assertion: molybdenum | /r/HasProperty | produced at seven mines
Facets:
value: in the country
type: LOCATION
value: in 2017
type: TEMPORAL
Source sentences:
text: As mentioned, the metal is often produced as a by-product of copper and other metals, and that’s evident when looking at US output stats: in 2017, molybdenum was produced at seven mines in the country, but was a primary product at just two of them.