Q: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
The Fiat L6/40 was a light tank used by the Italian army from 1940 through World War II. It was designed by Fiat-Ansaldo as an export product, and was adopted by the Italian Army when officials learned of the design and expressed interest.
A:
Which was the official year for the approval of Fiat L6/40?