CREATE TABLE table_48264 ("Name" CLOB, "in \\u00d7 in" CLOB, "mm \\u00d7 mm" CLOB, "Ratio" FLOAT, "Similar ISO A size" CLOB)

Which Ratio has a Similar ISO A size of a3?
SELECT AVG("Ratio") FROM table_48264 WHERE "Similar ISO A size" = 'a3'
SELECT AVG("Ratio") FROM "table_48264" WHERE "Similar ISO A size" = 'a3'