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_30802 ( "Year" text, "Position" real, "Games played" real, "Won" real, "Tied" real, "Lost" real, "Goals Scored" real, "Goals Against" real, "Points" real, "Postseason place" text )

### Question ###
What is the goals against listed when the goals scored is 30?

### Accurate SQL ###

SELECT "Goals Against" FROM table_30802 WHERE "Goals Scored" = '30'