CREATE TABLE table_204_870 (id NUMBER, "product" CLOB, "main functionality" CLOB, "input format" CLOB, "output format" CLOB, "platform" CLOB, "license and cost" CLOB, "notes" CLOB)

what is the only input/output format for allegrograph ?
SELECT "input format", "output format" FROM table_204_870 WHERE "product" = 'allegrograph'
SELECT "input format", "output format" FROM "table_204_870" WHERE "product" = 'allegrograph'