CREATE TABLE table_49495 ("Issued" FLOAT, "Type" CLOB, "Design" CLOB, "Serial format" CLOB, "Serials issued" CLOB)

What is the serial format for white on blue with a serial issued of ss-00-00 to zz-99-99?
SELECT "Serial format" FROM table_49495 WHERE "Design" = 'white on blue' AND "Serials issued" = 'ss-00-00 to zz-99-99'
SELECT "Serial format" FROM "table_49495" WHERE "Design" = 'white on blue' AND "Serials issued" = 'ss-00-00 to zz-99-99'