CREATE TABLE table_40286 ("Week of" TEXT, "Tier" TEXT, "Winner" TEXT, "Runner-up" TEXT, "Semi finalists" TEXT)

What is the Semi finalists when the Runner-up was katrina adams zina garrison-jackson?
SELECT "Semi finalists" FROM table_40286 WHERE "Runner-up" = 'katrina adams zina garrison-jackson'
SELECT "Semi finalists" FROM "table_40286" WHERE "Runner-up" = 'katrina adams zina garrison-jackson'