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_203_484 ( id number, "member" text, "party" text, "electorate" text, "state" text, "first elected" text )

### Question ###
allan fraser was elected how many years before frank crean ?

### Accurate SQL ###

SELECT ABS((SELECT "first elected" FROM table_203_484 WHERE "member" = 'allan fraser') - (SELECT "first elected" FROM table_203_484 WHERE "member" = 'frank crean'))