CREATE TABLE table_78869 ("Show" TEXT, "Network  ( Last Aired ) " TEXT, "Last aired" FLOAT, "Network  ( New/Returning ) " TEXT, "Returning" TEXT)

When did a show last aired in 2002 return?
SELECT "Returning" FROM table_78869 WHERE "Last aired" = '2002'
SELECT "Returning" FROM "table_78869" WHERE "Last aired" = '2002'