CREATE TABLE table_5294 ("Season" CLOB, "Champion" CLOB, "Constructor" CLOB, "Teams' Champion" CLOB, "Secondary Class" CLOB, "Nations Cup" CLOB, "Winter Series Champion" CLOB)

Who is the Teams' Champion for the Season of 1989?
SELECT "Teams' Champion" FROM table_5294 WHERE "Season" = '1989'
SELECT "Teams' Champion" FROM "table_5294" WHERE "Season" = '1989'