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_55820 ( "Class" text, "Operator" text, "Number" real, "Year Built" text, "Cars per Set" real, "Unit Numbers." text )

### Question ###
What unit has cars per set larger than 9 built in 1982?

### Accurate SQL ###

SELECT "Unit Numbers." FROM table_55820 WHERE "Cars per Set" > '9' AND "Year Built" = '1982'