Table:
text: Sweden in the Eurovision Song Contest
Commentators and spokespersons
Commentators and spokespersons
Years Television_commentator Dual_Television_commentator Radio_commentator Spokesperson
1987 Fredrik Belfrage Dual television commentator introduced in 1992 Jacob Dahlin Jan Ellerås
1988 Bengt Grafström Dual television commentator introduced in 1992 Kalle Oldby Maud Uppling
1989 Jacob Dahlin Dual television commentator introduced in 1992 Kent Finell and Janeric Sundquist Agneta Bolme-Börjefors
1990 Jan Jingryd Dual television commentator introduced in 1992 unknown commentator from 1990 Jan Ellerås
1991 Harald Treutiger Dual television commentator introduced in 1992 unknown commentator from 1990 Bo Hagström
1992 Björn Kjellman Dual television commentator introduced in 1992 unknown commentator from 1990 Jesper Aspegren
1993 Jan Jingryd Kåge Gimtell unknown commentator from 1990 Gösta Hanson
1994 Pekka Heino No dual commentator unknown commentator from 1990 Marianne Anderberg

Question: Who was Sweden's double TV commentator at the Eurovision Song Contest in 1990?