I think thats right, because the question in english is "My grandaughter likes to play with her school basketball team on mondays and wednesdays." And equipo de, which means team, would be the only thing that fits in this sentence.
How are the students in your Spanish class? Use the description of Alejandro in Activity 7, This is how Alejandro's classmates are, as a model and write five or six sentences to describe your classmates