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Update docs/ru/getting-started/example-datasets/cell-towers.md

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Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
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@ -99,7 +99,8 @@ SELECT mcc, count() FROM cell_towers GROUP BY mcc ORDER BY count() DESC LIMIT 10
Также вам может понадобится создать [внешний словарь](../../sql-reference/dictionaries/external-dictionaries/external-dicts.md) в ClickHouse для того, чтобы объяснить эти значения.
### Пример применения функции `pointInPolygon` {#example-of-using}
## Пример использования {#use-case}
Рассмотрим применение функции `pointInPolygon`.
1. Создаем таблицу, в которой будем хранить многоугольники: