Question: The Boomershoot is a long range precision rifle event held near Orofino, in which state, each year, in recent years, the event has also featured an explosive fireball and an Anvil firing to start the event?
Sentence (from ".350 Remington Magnum"): The .350 Remington Magnum was introduced in 1965 by Remington Arms Company for the Model 600 rifle.
Relevant evidence: No