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_387 ( id number, "parish est" number, "church" text, "city" text, "current bldg begun" number, "weekly collections" text, "notes" number )

### Question ###
how long has sacred heart basilica been established ?

### Accurate SQL ###

SELECT present_ref - "parish est" FROM table_203_387 WHERE "church" = 'sacred heart basilica'