tripleset: 5th drop fell DATE August 1970
tripleset: [TABLECONTEXT] [TITLE] Pitch drop experiment
tripleset: [TABLECONTEXT] EVENT 5th drop fell
tripleset: 5th drop fell DURATION_(YEARS) 8.3
annotations.source: WikiTableQuestions_lily
annotations.text: In August, 1970, the 5th drop of pitch fell, and it had been 8.3 years since the previous drop had fallen.