CREATE TABLE table_14668 ("Team" TEXT, "Manager" TEXT, "Captain" TEXT, "Kit manufacturer" TEXT, "Shirt sponsor" TEXT)

Which team is the kit manufacturer Umbro, and the captain Gary Mabbutt?
SELECT "Team" FROM table_14668 WHERE "Kit manufacturer" = 'umbro' AND "Captain" = 'gary mabbutt'
SELECT "Team" FROM "table_14668" WHERE "Captain" = 'gary mabbutt' AND "Kit manufacturer" = 'umbro'