Problem: Given the question: Generate a question about the topic "Dredging" whose answer would be: Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow seas or fresh water areas with the purpose of gathering up bottom sediments and disposing of them at a different location..
++++++++++++++++++++++++++++++++
The answer is:
how does a dredge work??

input question: Generate a question about the topic "Elijah McCoy" whose answer would be: Elijah J. McCoy (May 2, 1844 October 10, 1929) was a black Canadian-American inventor and engineer, who was notable for his 57 U.S. patents , most to do with lubrication of steam engines..???
output answer: what did elijah mccoy invent?

Generate a question about the topic "Agriculture in the United States" whose answer would be: As of the last census of agriculture in 2007, there were 2.2 million farms, covering an area of , an average of per farm..
----
Answer: how many grape farms in united states?

Q: Generate a question about the topic "Airbag" whose answer would be: It is an occupant restraint system consisting of a flexible fabric envelope or cushion designed to inflate rapidly during an automobile collision ..
A: when does air bag deploy?

Question: Generate a question about the topic "Financial audit" whose answer would be: Financial audits are typically performed by firms of practicing accountants who are experts in financial reporting..
Answer: how do forensic auditors examine financial reporting?

Please answer this: Generate a question about the topic "McMuffin" whose answer would be: The Egg McMuffin is the signature breakfast sandwich; it was invented by the late McDonald's franchisee Herb Peterson in the late 1960s and was introduced nationwide in 1972..
++++++++
Answer:
when did egg mcmuffin get invented?