CREATE TABLE table_38712 ("Task No." FLOAT, "Date given" CLOB, "Head of Household" CLOB, "Hand Grenade User" CLOB, "Hand Grenade Recipient" CLOB)

What is the latest task number for which Cathy is head of household?
SELECT MAX("Task No.") FROM table_38712 WHERE "Head of Household" = 'cathy'
SELECT MAX("Task No.") FROM "table_38712" WHERE "Head of Household" = 'cathy'