Question: What date was the Cross Code Debut of RL 1st Test Great Britain v Australia, and the Int'l Debut was RU Five Nations v Ireland?
SQL: SELECT "Date" FROM "2-18860278-11" WHERE "Cross Code Debut" = 'RL 1st Test Great Britain v Australia' AND "Int'l Debut" = 'RU Five Nations v Ireland';

Question: What year was the player David Rose?
SQL: SELECT SUM("Year") FROM "2-18860278-11" WHERE "Player" = 'David Rose';