Complex sentence: In 2010, Valenciano was in a Holy Week drama special, "Gulong", a CBN Asia Production shown on GMA; this was his third GMA Holy Week special since 2006.
Split into simpler sentences: In 2010, Valenciano was in a Holy Week drama special, "Gulong", a CBN Asia Production shown on GMA. This was his third GMA Holy Week special since 2006.