CREATE TABLE table_204_284 (id NUMBER, "jurisdiction" CLOB, "adherents" NUMBER, "bishops" NUMBER, "priests" NUMBER, "monastics" NUMBER, "monasteries" NUMBER, "parishes" NUMBER)

how many more adherents does constantinople have compared to jerusalem ?
SELECT (SELECT "adherents" FROM table_204_284 WHERE "jurisdiction" = 'constantinople') - (SELECT "adherents" FROM table_204_284 WHERE "jurisdiction" = 'jerusalem')
SELECT (SELECT "adherents" FROM "table_204_284" WHERE "jurisdiction" = 'constantinople') - (SELECT "adherents" FROM "table_204_284" WHERE "jurisdiction" = 'jerusalem')