Otakar Mareček
Otakar Mareček ( 14 June 1943 – 25 January 2020 ) was a Czech rower who competed for Czechoslovakia in the 1968 Summer Olympics , in the 1972 Summer Olympics , and in the 1976 Summer Olympics . 
<triplet> Otakar Mareček <subj> 14 June 1943 <obj> date of birth <subj> 25 January 2020 <obj> date of death <subj> rower <obj> sport <triplet> 1968 Summer Olympics <subj> 1968 <obj> point in time <subj> 1972 Summer Olympics <obj> followed by <triplet> 1972 Summer Olympics <subj> 1976 Summer Olympics <obj> followed by <triplet> 1976 Summer Olympics <subj> 1976 <obj> point in time