CREATE TABLE table_29362 ("Vertical" FLOAT, "Horizontal" FLOAT, "Aspect ratio" TEXT, "Pixel aspect ratio" TEXT, "Scanning" TEXT, "Frame rate  (  Hz  ) " TEXT)

What was the maximum vertical measurement if the horizon measurement is 640?
SELECT MAX("Vertical") FROM table_29362 WHERE "Horizontal" = '640'
SELECT MAX("Vertical") FROM "table_29362" WHERE "Horizontal" = '640'