Complex sentence: The Gateway Housing Project (as it was called) required that the residents be moved, and during 2006 and 2007 "considerable effort" was undertaken to persuade them to relocate to Delft, Para 31.
Split into simpler sentences: The Gateway Housing Project (as it was called) required that the residents be moved. During 2006 and 2007 "considerable effort" was undertaken to persuade them to relocate to Delft, Para 31.