CREATE TABLE table_73008 ("No. overall" FLOAT, "Title" TEXT, "Director" TEXT, "Writer" TEXT, "Original air date" TEXT, "Production code" FLOAT)

What is the highest production code of an episode written by Tim Loane?
SELECT MAX("Production code") FROM table_73008 WHERE "Writer" = 'Tim Loane'
SELECT MAX("Production code") FROM "table_73008" WHERE "Writer" = 'Tim Loane'