Question: Q: Who was the Head of the Commonwealth and Queen of 12 countries that had six blank shots fired at by Marcus Simon Sarjeant? 
Sentence (from "Marcus Sarjeant"): Marcus Simon Sarjeant (born 1964) is a Briton who fired six blank shots at Queen Elizabeth II as she rode down The Mall to the Trooping the Colour ceremony in 1981.
Relevant evidence: Yes