Generate a question with a factual answer.
Generated: What have scientist began to test due to the fact that adrogen results in sexual differences?

Generate a question with a factual answer.
Generated: On what day and month did Bell die?

Generate a question with a factual answer.
Generated: When was ground broke on the Eddy Street Commons Project of Notre Dame?

Generate a question with a factual answer.
Generated: Besides Qiantang and Jiankang, what was the other major metropolitan center in the south?