Question: What date was Rica head of household?
SQL: SELECT "Date given" FROM "2-15162479-6" WHERE "Head of Household" = 'Rica';

Question: What is the latest task number for which Cathy is head of household?
SQL: SELECT MAX("Task No.") FROM "2-15162479-6" WHERE "Head of Household" = 'Cathy';

Question: Who is the head of household for task number 7?
SQL: SELECT "Head of Household" FROM "2-15162479-6" WHERE "Task No." = 7.0;

Question: Which task had Cathy as the hand grenade user?
SQL: SELECT "Task No." FROM "2-15162479-6" WHERE "Hand Grenade User" = 'Cathy';

Question: What is the task number on January 22, 2010 (Day 111)?
SQL: SELECT MAX("Task No.") FROM "2-15162479-6" WHERE "Date given" = 'January 22, 2010 (Day 111)';