Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_58 (agg VARCHAR, team_2 VARCHAR)
### Question:
What is the aggregate for the tie with a team 2 of Irtysh?
### Answer:
SELECT agg FROM table_name_58 WHERE team_2 = "irtysh"