Q: Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.
On 30 March 1922, a part of the territory of Montigny-les-Cormeilles was detached and merged with a part of the territory of Taverny and a part of the territory of Pierrelaye to create the commune of Beauchamp.
A:
What was replaced Montigny-les-Cormeilles?