Generate a question with a factual answer.
Generated: What does the name "Rodo" commemorate?

Generate a question with a factual answer.
Generated: When did the great Depression end?

Generate a question with a factual answer.
Generated: Who performed a study that involved having peoples hands in cold water while also memorizing words?

Generate a question with a factual answer.
Generated: What was the ethnicity of the second largest group of immigrants in 1900?