The first reason why you might see double square brackets in a structured reference is that the column headers they refer to contain a special character. In these cases, the extra pair of square ...

How Liverpool can solve their Alexander Isak-Hugo Ekitike conundrum - Ekitike scored in each of this first three outings for ...

Ekitike scored in each of this first three outings for Liverpool but his momentum has been halted by competition with ...