CREATE TABLE table_203_387 (id NUMBER, "parish est" NUMBER, "church" CLOB, "city" CLOB, "current bldg begun" NUMBER, "weekly collections" CLOB, "notes" NUMBER)

how long has sacred heart basilica been established ?
SELECT present_ref - "parish est" FROM table_203_387 WHERE "church" = 'sacred heart basilica'
SELECT "present_ref" - "parish est" FROM "table_203_387" WHERE "church" = 'sacred heart basilica'