CREATE TABLE table_204_592 (id NUMBER, "#" NUMBER, "title" CLOB, "type" CLOB, "opening\ date" CLOB, "closing\ date" CLOB, "performances" NUMBER, "comment" CLOB)

how many combined performances have the top three longest running broadway shows had ?
SELECT SUM("performances") FROM table_204_592 WHERE "#" <= 3
SELECT SUM("performances") FROM "table_204_592" WHERE "#" <= 3