Complex sentence: From 2008 to 2011, the NZTBC and the SDGNZ jointly ran the Qantas Film and Television Awards, which were renamed the Aotearoa Film and Television Awards (abbreviated to AFTA) in 2011.
Split into simpler sentences: From 2008 to 2011, the NZTBC and the SDGNZ jointly ran the Qantas Film and Television Awards. These awards were renamed the Aotearoa Film and Television Awards (abbreviated to AFTA) in 2011.