CREATE TABLE table_204_738 (id DECIMAL, "season" DECIMAL, "level" TEXT, "division" TEXT, "section" TEXT, "position" TEXT, "movements" TEXT)

which is the only year with promotion playoffs and promoted
SELECT "season" FROM table_204_738 WHERE "movements" = 'promotion playoffs - promoted'
SELECT "season" FROM "table_204_738" WHERE "movements" = 'promotion playoffs - promoted'