Question: Which characters had their first experience in the episode "Consequences"?
SQL: SELECT "Character" FROM "1-11240028-3" WHERE "First appearance" = '"Consequences"';

Question: What episode had the last appearances of the Late wife of Mac Taylor?
SQL: SELECT "Last appearance" FROM "1-11240028-3" WHERE "Relationship" = 'Late wife of Mac Taylor';

Question: Which characters were portrayed by Reed Garrett?
SQL: SELECT "Portrayed by" FROM "1-11240028-3" WHERE "Character" = 'Reed Garrett';

Question: How many characters were portrayed by the Informant of Don Flack?
SQL: SELECT COUNT("Portrayed by") FROM "1-11240028-3" WHERE "Relationship" = 'Informant of Don Flack';

Question: What episode was the last appearance of the character, Rikki Sandoval?
SQL: SELECT "Last appearance" FROM "1-11240028-3" WHERE "Character" = 'Rikki Sandoval';