Assertion: captive orca | /r/AtLocation | aquaria
Facets:
value: as of 2012
type: TEMPORAL
Source sentences:
text: Killer whales are well known for their performances in shows, but the number of orcas kept in captivity is small, especially when compared to the number of bottlenose dolphins, with only forty-four captive orcas being held in aquaria as of 2012.