Question: How many episodes with the production code CA106 are there?
SQL: SELECT COUNT("Written by") FROM "1-25740548-2" WHERE "Production code" = 'CA106';

Question: Who was the director for episodes that were written be Matthew Lau?
SQL: SELECT "Directed by" FROM "1-25740548-2" WHERE "Written by" = 'Matthew Lau';

Question: How many episode were written by Brett Conrad?
SQL: SELECT COUNT("Title") FROM "1-25740548-2" WHERE "Written by" = 'Brett Conrad';

Question: How many episodes were directed by Tim Matheson?
SQL: SELECT COUNT("Original air date") FROM "1-25740548-2" WHERE "Directed by" = 'Tim Matheson';

Question: How many episodes were directed by Rod Hardy?
SQL: SELECT COUNT("Original air date") FROM "1-25740548-2" WHERE "Directed by" = 'Rod Hardy';