CREATE TABLE table_71690 ("Player" CLOB, "Wkts" FLOAT, "Runs" FLOAT, "Econ" FLOAT, "Ovrs" FLOAT)

Name the average econ for runs more than 703 and ovrs more than 25.5
SELECT AVG("Econ") FROM table_71690 WHERE "Ovrs" > '25.5' AND "Runs" > '703'
SELECT AVG("Econ") FROM "table_71690" WHERE "Ovrs" > '25.5' AND "Runs" > '703'