CREATE TABLE table_64254 ("Year" FLOAT, "A-side" TEXT, "B-side" TEXT, "Catalog number" TEXT, "Label" TEXT)

What is the catalog number of Venus Demilo's A-side?
SELECT "Catalog number" FROM table_64254 WHERE "A-side" = 'venus demilo'
SELECT "Catalog number" FROM "table_64254" WHERE "A-side" = 'venus demilo'