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_20 (round INTEGER, school VARCHAR, pick VARCHAR)
### Question:
After pick number 158, what is the next round a USC player was picked?
### Answer:
SELECT MIN(round) FROM table_name_20 WHERE school = "usc" AND pick > 158