Who is Bethany hamilton​

Bethany Meilani Hamilton (born February 8, 1990) is an American professional surfer who survived a 2003 shark attack in which her left arm was bitten off and who ultimately returned to professional surfing. She wrote about her experience in the 2004 autobiography Soul Surfer: A True Story of Faith, Family, and Fighting to Get Back on the Board. In April 2011, the feature film Soul Surfer was released. She also has a 2019 movie, Unstoppable, where she shows the struggles and happiness of her family.

Explanation:

https://en.wikipedia.org/wiki/Bethany_Hamilton

the sentence that contains a restrictive clause is a.they decided to meet where the band was performing

explanation:

a restrictive clause is also known as an essential clause