This is the 563rd most frequent Serbian word.
спорт
Sport.
In this sentence, 'спорт' (sport) is used as a subject noun, referring to the general concept or activity of sport.
Спорт је важан за здравље.
Sport is important for health.
Here, 'спортом' is the instrumental case of 'спорт', used to indicate the activity (sports) that the subject is involved in.
Бавим се спортом сваког дана.
I engage in sports every day.
In this question, 'спорт' is used to refer to a specific type of sport or activity, asking about someone's preference.