Node.js does not output call duration result

[classbasics]

Please replace every line in curly brackets { like this } with appropriate answers, and remove this line.

Description

Node.js does not output call duration

Location of Content

https://dev.grakn.ai/docs/examples/phone-calls-queries#how-does-the-average-call-duration-among-customers-aged-under-20-compare-with-those-aged-over-40

Expected Content

Call duration for <20 and call duration for >40

Actual Content

Additional information

The result is not printed, put console.log(result); on the last line of async function ExecuteMatchQuery() {