Q: Generate a correct and concise answer for the question based on the words in the context.
Context : The QF 3-pounder Hotchkiss or in French use Canon Hotchkiss a tir rapide de 47 mm (47mm / L40) was a light 47-mm naval gun introduced in 1886 to defend against new small fast vessels such as torpedo boats, and later submarines.
Question : In which year was the service entry date for QF 3-pounder Hotchkiss?
A:
1886