NLP based age calculation

I am working on a chatbot with open domain questions using google API Wikipedia API. Its working few cases like who, what, when kind of questions.

when I ask for Age of someone, its collecting only content about that person.

As a chatbot, it should respond with the number(age).

is there any model or I need to go with rule based approach.?

Give your valuable suggestions.

Topic chatbot nlp machine-learning

Category Data Science

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