I thought this was the Comey report
https://oig.justice.gov/reports/2019/o1902.pdf
[20]
Q/POTUS [0] DELTA
Re confirming, and verifying!
DO YOU BELIEVE IN COINCIDENCE?
https://twitter.com/elenochle/status/1201567888211136520
This I believe is what Q is talking about a called shot, verifying the trip confirmation with a [0] delta