Question: Which Opposing Team has a Venue of Rectory Ground, Devonport?
SQL: SELECT "Opposing Team" FROM "2-18866036-1" WHERE "Venue" = 'Rectory Ground, Devonport';

Question: When has an Opposing Team of Mid-Districts?
SQL: SELECT "Date" FROM "2-18866036-1" WHERE "Opposing Team" = 'Mid-Districts';