How Do I Convince Employers That I Can Line-manage When I Have No Team?

Any tips and best answers to frame how i can convince my interviewer that i can manaage a team.
I am currently a team member and i am expecting this question in my final interview.

Cite instances from your work life where you have coached other team members. Give examples of cases where you might have been a SPOC (Single Point of Contact) for any assignment. Highlight what you think are the important qualities and skills needed to be a team leader and mention those instances.