<human>: Does the sentence "In December, Beyoncé along with a variety of other celebrities teamed up and produced a video campaign for "Demand A Plan", a bipartisan effort by a group of 950 US mayors and others designed to influence the federal government into rethinking its gun control laws, following the Sandy Hook Elementary School shooting." answer the question "What school shooting prompted the creation of Demand A Plan?"

OPTIONS:
- yes
- no
<bot>: yes