Lotta Engberg
She represented Sweden in Eurovision Song Contest 1987 with "Boogaloo" after winning Melodifestivalen 1987 . 
<triplet> Eurovision Song Contest 1987 <subj> 1987 <obj> point in time <triplet> Melodifestivalen 1987 <subj> 1987 <obj> point in time <subj> 1987 <obj> point in time