CREATE TABLE table_75103 ("Cap Number" FLOAT, "Date" TEXT, "Position" TEXT, "Shirt Number" FLOAT, "Home or Away" TEXT, "Venue" TEXT, "Result" TEXT, "Score" TEXT)

What's the largest shirt number when the cap number is 5?
SELECT MAX("Shirt Number") FROM table_75103 WHERE "Cap Number" = '5'
SELECT MAX("Shirt Number") FROM "table_75103" WHERE "Cap Number" = '5'