 Complete the following phrase:  Grace Prendergast born 30 June 1992 is a New Zealand sweep rower. She is a 15-time national champion in the premier category, an Olympic champion, a four-time world champion and the current 2019 world champion in both the coxless pair and the womens eight. She grew up in Christchurch, where she started rowing for the Avon Rowing Club in 2007. She competed at the Tokyo Olympics in two boat classes and won gold in the coxless pair and a silver in the 