CREATE TABLE table_17165 ("Series" TEXT, "Monday" TEXT, "Tuesday" TEXT, "Wednesday" TEXT, "Thursday" TEXT, "Friday" TEXT, "Saturday" TEXT, "Sunday" TEXT)

Who is the Tuesday presenter of Celebrity Big Brother 8?
SELECT "Tuesday" FROM table_17165 WHERE "Series" = 'Celebrity Big Brother 8'
SELECT "Tuesday" FROM "table_17165" WHERE "Series" = 'Celebrity Big Brother 8'