Final answer:
Dani, Will, and Shawn were at the playground when the incident occurred, as detailed by the reference text highlighting activities near the basketball courts which are common at playgrounds.
Step-by-step explanation:
Dani, Will, and Shawn were at the playground when she was shot. The reference text provided describes the group of girls, including Inayah, sitting at the picnic tables near the basketball courts, which is typically found at a playground. After engaging in activities like recording videos, starting their homework, and spending about an hour there, they headed home.