CREATE TABLE table_67504 ("Season" FLOAT, "Cars Entered" FLOAT, "Winning Driver" TEXT, "Second Driver" TEXT, "Third Driver" TEXT, "Race Report" TEXT)

What is the largest season with a Third Driver of jimmy davies?
SELECT MAX("Season") FROM table_67504 WHERE "Third Driver" = 'jimmy davies'
SELECT MAX("Season") FROM "table_67504" WHERE "Third Driver" = 'jimmy davies'