Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_72632 ( "Scientific Linux Release" text, "Architectures" text, "RHEL base" text, "Scientific Linux release date" text, "RHEL release date" text, "Delay" text )

### Question ###
Name the scientific linux release when delay is 28d

### Accurate SQL ###

SELECT "Scientific Linux Release" FROM table_72632 WHERE "Delay" = '28d'