Assertion: label's release | /r/HasProperty | issued under that label name
Facets:
Source sentences:
text: For imprints, collection names (when used as labels) and subdivisions (or subsidiaries) for which there is no available creation date, it's the release date of the first release ever issued under that label name.
text: For imprints, collection names (when used as labels) and subdivisions (or subsidiaries) for which there is no available dismantling date, it's the release date of the last release ever issued under that label name.