Question: "Plop, Plop, Fizz, Fizz, Oh What a Relief it Is!" was a jingle for a product launched in what year?
Related documents: [0]  [DOC] Paul Eli Margulies (1935–2014) was an American writer, philosopher and advertising-industry creative director. Margulies was famous for writing jingles ("Plop, Plop, Fizz, Fizz, Oh What a Relief it Is!") and inventing tag lines such as "I Can't Believe I Ate the Whole Thing." A graduate of Dartmouth, with a degree in philosophy, Margulies retired at an early age to write about philosophy. [END] 
[1]  [DOC] Alka-Seltzer is an effervescent antacid and pain reliever first marketed by the Dr. Miles Medicine Company of Elkhart, Indiana, United States. It was developed by head chemist Maurice Treneer. Alka-Seltzer is marketed for relief of minor aches, pains, inflammation, fever, headache, heartburn, stomachache, indigestion, acid reflux and hangovers, while neutralizing excess stomach acid. It was launched in 1931. A spin-off of Alka-Seltzer made to relieve colds and flu, Alka-Seltzer Plus, was later introduced. A short-lived antacid non-aspirin variant, Alka-Mints, was introduced in 1994 and discontinued in 1997. Another non-aspirin-based variant, Alka-Seltzer Gold, was later released. [END] 
Answer: 
1931
1931