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_4 (round INTEGER, event VARCHAR)
### Question:
How many rounds did the IFL: Oakland event have?
### Answer:
SELECT SUM(round) FROM table_name_4 WHERE event = "ifl: oakland"