Question: Who was the dual television commentator in 1990?
SQL: SELECT "Dual Television commentator" FROM "1-2794180-11" WHERE "Year(s)" = 1990.0;

Question: Who made the comments for radio broadcast when Jan Gabrielsson made them for television broadcast?
SQL: SELECT "Radio commentator" FROM "1-2794180-11" WHERE "Television commentator" = 'Jan Gabrielsson';