CREATE TABLE table_56929 ("Ship name" CLOB, "Year" FLOAT, "Length" CLOB, "Width" CLOB, "Passengers" FLOAT, "Vessels" FLOAT, "Speed" FLOAT)

What is the average speed for ships before 1974 with over 1.73 passengers?
SELECT AVG("Speed") FROM table_56929 WHERE "Year" < '1974' AND "Passengers" > '1.73'
SELECT AVG("Speed") FROM "table_56929" WHERE "Passengers" > '1.73' AND "Year" < '1974'