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_48 (report VARCHAR, winning_driver VARCHAR, winning_constructor VARCHAR)
### Question:
Name the report for per-viktor widengren and alfa romeo
### Answer:
SELECT report FROM table_name_48 WHERE winning_driver = "per-viktor widengren" AND winning_constructor = "alfa romeo"