question: How many countries first formed the British Commonwealth of Nations in 1931?
answerText: 4
questionEntity.name: Q7785
questionEntity.entityType: entity
questionEntity.label: Commonwealth of Nations
questionEntity.mention: British Commonwealth of Nations
questionEntity.name: 1
questionEntity.entityType: ordinal
questionEntity.mention: first
questionEntity.name: 1931
questionEntity.entityType: date
questionEntity.mention: 1931
answerEntity.name: Q145
answerEntity.label: United Kingdom
answerEntity.name: Q408
answerEntity.label: Australia
answerEntity.name: Q664
answerEntity.label: New Zealand
answerEntity.name: Q258
answerEntity.label: South Africa