CREATE TABLE table_204_577 (id NUMBER, "name" CLOB, "first operational" CLOB, "numeral system" CLOB, "computing mechanism" CLOB, "programming" CLOB, "turing complete" CLOB)

what was the next operational computer after the modified eniac ?
SELECT "name" FROM table_204_577 WHERE "first operational" > (SELECT "first operational" FROM table_204_577 WHERE "name" = 'modified eniac') ORDER BY "first operational" LIMIT 1
SELECT "name" FROM "table_204_577" WHERE "first operational" > (SELECT "first operational" FROM "table_204_577" WHERE "name" = 'modified eniac') ORDER BY "first operational" FETCH FIRST 1 ROWS ONLY