Question: How many original Australian performers are there when the Original West End Performer is Jordan Dunne?
SQL: SELECT COUNT("Original Australian performer") FROM "1-1901751-1" WHERE "Original West End performer" = 'Jordan Dunne';

Question: Who is the Original west end performer for the character Martha?
SQL: SELECT "Original West End performer" FROM "1-1901751-1" WHERE "Character" = 'Martha';

Question: Who is the original broadway performer for the character Colin Craven?
SQL: SELECT "Original Broadway performer" FROM "1-1901751-1" WHERE "Character" = 'Colin Craven';

Question: Who is the original west end performer for the character Neville Craven?
SQL: SELECT "Original West End performer" FROM "1-1901751-1" WHERE "Character" = 'Neville Craven';

Question: Who is the 2005 World AIDS Day Benefit "Dream" Cast when the Original Australian performer is Susan-Ann Walker?
SQL: SELECT "2005 World AIDS Day Benefit Dream Cast" FROM "1-1901751-1" WHERE "Original Australian performer" = 'Susan-Ann Walker';

Question: Who is the Original Australian performer when the Original West End Performer is Linzi Hateley?
SQL: SELECT "Original Australian performer" FROM "1-1901751-1" WHERE "Original West End performer" = 'Linzi Hateley';