Question: Who was the actor/actress with a first appearance is 3 June 2007?
SQL: SELECT "Actor/Actress" FROM "1-25831483-1" WHERE "First Appearance" = '3 June 2007';

Question: Who was the actor/actress with a last appearance of 1 January 2010 and total is 20 and character is Vanessa 'Nessa' Jenkins?
SQL: SELECT "Actor/Actress" FROM "1-25831483-1" WHERE "Last Appearance" = '1 January 2010' AND "Total" = 20.0 AND "Character" = 'Vanessa ''Nessa'' Jenkins';

Question: What is the highest total number?
SQL: SELECT MAX("Total") FROM "1-25831483-1";

Question: How many  characters where actor/actress is Larry Lamb?
SQL: SELECT COUNT("Character") FROM "1-25831483-1" WHERE "Actor/Actress" = 'Larry Lamb';

Question: What was the last appearance of actor/actress is Pam Ferris?
SQL: SELECT "Last Appearance" FROM "1-25831483-1" WHERE "Actor/Actress" = 'Pam Ferris';

Question: How many total are there when actor/actress is Pam Ferris?
SQL: SELECT "Total" FROM "1-25831483-1" WHERE "Actor/Actress" = 'Pam Ferris';