<human>:  What was the name of the levee that broke during the Hurricane Katrina evacuation?
<bot>: The levee that broke was the 17th Street Canal Levee. It was a levee that was built to protect New Orleans from flooding. It was built in the late 1800s and was designed to withstand a Category 5 hurricane. It was breached during Hurricane Katrina, which caused catastrophic flooding in New Orleans.