CREATE TABLE table_40278 ("Team name  ( sponsored name ) " TEXT, "Home ground [a ]" TEXT, "First season" TEXT, "Last title" TEXT, "Titles" FLOAT)

When was the last title of the team with a home ground of Sydney cricket ground?
SELECT "Last title" FROM table_40278 WHERE "Home ground [a ]" = 'sydney cricket ground'
SELECT "Last title" FROM "table_40278" WHERE "Home ground [a ]" = 'sydney cricket ground'