Always The Latest Data

Leave it out of the written requirements until the interviewer restates it, since the phrase has no accepted technical meaning to record

Ask which reads need it, then write something narrow such as an author seeing their own new post immediately while others may lag a few seconds

Write it down verbatim and route every read to the primary, since the sentence as stated leaves no room for a replica to serve anything

Record it as a latency requirement instead, since a read path fast enough makes any staleness invisible to the person looking at the screen