Select example
SELECT last("value") AS "value"
FROM "tickets.amount"
WHERE
"train_type_letter" = 'К' AND
"train_date_day" = '20160103' AND
"train_num" = '072К' AND
"train_from_station" = 'Киев-Пассажирский' AND
"train_to_station" = 'Запорожье 1'