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_75 (Id VARCHAR)
### Question:
What is the 1993 value with a 1r in 1991 and sf in 1990?
### Answer:
SELECT 1993 FROM table_name_75 WHERE 1991 = "1r" AND 1990 = "sf"