def get_number_income_calls(date_from, date_to):
    connection = pymssql.connect(server='oktell-prod.buscom.pro', user='report', password='K&PQu4J)tRu<)q.e', database='oktell')
    cursor = connection.cursor()
    cursor.execute('''
        select
            *
        from
            [oktell].[dbo].[Yandex_Call]
        where
            typeCommutation = 1 and
            timeStart >= '{}' and
            timeStart < '{}';
    '''.format(date_from, date_to))
    rows = cursor.fetchall()
    return len(rows)