Here are 7 triple stumpers from the 10-4-2017 Jeopardy! match.

AUTHORS: BORN & DIED ($1000) Born in England in 1920, he died there in 2016; “Watership Down” came in the middle

TIMELY TALK ($800) There’s a stream of water in this term for something that happens at the same time as something else

FOOD & DRINK ($400) In diner slang, an “M.D.” isn’t a Mountain Dew but this soft drink

CALCULUS ($1600) The rate of change of a function with respect to a variable is denoted by this term that can also mean “unoriginal”

($2000) It all comes together with this calculus operation that lets you find the precise area under a curve

LAKES & RIVERS ($1200) The Zhiguli Hills caused this longest European River to make a sharp loop known as the Samara Bend

($2000) In 2016 NASA reported that this Venezuelan lake was the world’s lightning capital with 603 bolts per square mile per year

The players got the other 3 clues in LAKES & RIVERS, the category that Alex Trebek said was one of the last categories written by Steve Tamerius, who left the show after 30 years. (See his 235 credits as a Jeopardy! writer on IMDB)

($400) In 1858 sewage in this river caused Parliament to shut down due to the stench; Brits called the period the “Great Stink”

($800) Minnesota’s highest point, 2,301′ Eagle Mountain, is just a few miles from its lowest point, this Great Lake

($1600) Rubicon Point Lighthouse on this large Sierra Nevada lake was once the world’s highest elevation

Today’s Daily Doubles and more information on Final Jeopardy! on Fikkle Fame’s full Daily Jeopardy! Recap