Ths is Quick Riddle, So please reply quicklt

In a concert, Janet Jackson is performing a dance show with her group.
At 11:00, she and her crew were dancing in absolute straight line. At that time Janet was standing in 4th position from both front and back end of the row.

What was the size of her crew?


Janet was standing 4th from bothe end, i.e 3 crew members were at the front and her back.