CREATE TABLE table_204_688 (id DECIMAL, "name" TEXT, "red vs. blue" TEXT, "couples team" TEXT, "status" TEXT, "weight" TEXT, "total votes" DECIMAL)

who was the last contestant to be voted out in week 7 ?
SELECT "name" FROM table_204_688 ORDER BY id DESC LIMIT 1
SELECT "name" FROM "table_204_688" ORDER BY "id" DESC NULLS LAST LIMIT 1