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_name_88 ( Id VARCHAR )

### Question ###
What is the 1988 value when the 1987 value was 1r?

### Accurate SQL ###

SELECT 1988 FROM table_name_88 WHERE 1987 = "1r"