CREATE TABLE table_8278 ("Tournament" CLOB, "Surface" CLOB, "Week" CLOB, "Winner and score" CLOB, "Finalist" CLOB, "Semifinalists" CLOB)

Who are the semifinalists of the tournament with magnus gustafsson as the finalist?
SELECT "Semifinalists" FROM table_8278 WHERE "Finalist" = 'magnus gustafsson'
SELECT "Semifinalists" FROM "table_8278" WHERE "Finalist" = 'magnus gustafsson'