Conversation so far:
What is Synchronicity to The Police?
In 1983, the Police released their last studio album, Synchronicity
Was The Police album, Synchronicity, well received?
By that time, several critics deemed The Police the biggest rock band in the world“
Did The Police tour to promote the album, Synchronicity?
The Synchronicity Tour began in Chicago, Illinois July 1983 at the original Comiskey Park, and on 18 August The Police played in front of 70,000 in Shea Stadium, New York.
Did The Police tour in other countries to promote their album, Synchronicity?
The Police played throughout the UK in December 1983, including four sold out nights at London's Wembley Arena, and the tour ended in Melbourne, Australia
Did The Police receive any awards with their album, Synchronicity?
Synchronicity became a No. 1 album in both the UK (where it debuted at No. 1) and the US.

Question: What was their most popular single?
Self-contained rewrite: What was The Police's most popular single off of their album, Synchronicity?