<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_span_column_count(span):
 """ Find the length of a colspan. Parameters span : list of lists of int The [row, column] pairs that make up the span Returns ------- columns : int The number of columns included in the span Example ------- Consider this table:: | foo | bar | +------+--------+---------+ | spam | goblet | berries | +------+--------+---------+ :: 2 """

    columns = 1
    first_column = span[0][1]

    for i in range(len(span)):
        if span[i][1] > first_column:
            columns += 1
            first_column = span[i][1]

    return columns