CREATE TABLE table_26336060_19 (mintage VARCHAR2, location VARCHAR2, denomination VARCHAR2)

What is the mintage for a location of Sion and a denomination of 00500 500 Francs?
SELECT mintage FROM table_26336060_19 WHERE location = "Sion" AND denomination = "00500 500 francs"
SELECT "mintage" FROM "table_26336060_19" WHERE "00500 500 francs" = "denomination" AND "Sion" = "location"