CREATE TABLE table_60935 ("Name" TEXT, "Public" TEXT, "Intranet" TEXT, "Extranet" TEXT, "Personal Sites" TEXT, "Team Sites" TEXT, "Developer" TEXT)

If the intranet entry is Yes, what is the extranet entry for Microsoft Exchange server?
SELECT "Extranet" FROM table_60935 WHERE "Intranet" = 'yes' AND "Name" = 'microsoft exchange server'
SELECT "Extranet" FROM "table_60935" WHERE "Intranet" = 'yes' AND "Name" = 'microsoft exchange server'