question: How many Call of Duty: Black Ops games are there?
answerText: 5
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questionEntity.entityType: entity
questionEntity.label: Call of Duty: Black Ops
questionEntity.mention: Call of Duty: Black Ops
answerEntity.name: Q207986
answerEntity.label: Call of Duty: Black Ops
answerEntity.name: Q380918
answerEntity.label: Call of Duty: Black Ops II
answerEntity.name: Q19789342
answerEntity.label: Call of Duty: Black Ops III
answerEntity.name: Q50376633
answerEntity.label: Call of Duty: Black Ops 4
answerEntity.name: Q98514334
answerEntity.label: Call of Duty: Black Ops Cold War