Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Character | Australia & New Zealand (Sydney - first run, Melbourne, Auckland) | London | Toronto / Broadway | Brazil | UK Tour | US Tour | Italy (Milan, Rome, Trieste) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| Tick (Mitzi) | Jeremy Stanford | Jason Donovan | Will Swenson | Luciano Andrey | Jason Donovan , Noel Sullivan | Wade McCollum | Antonello Angiolillo |
| Bernadette | Tony Sheldon | Tony Sheldon | Tony Sheldon | Ruben Gabira | Richard Grieve | Scott Willis | Simone Leonardi |
| Adam (Felicia) | Daniel Scott | Oliver Thornton | Nick Adams | André Torquato | Graham Weaver | Bryan West | Mirko Ranù |
| Bob | Michael Caton | Clive Carter | C. David Johnson | Saulo Vasconcelos | Giles Watling | Joe Hart | Maurizio Arena, Nicola Ciulla (in Trieste) |
| Marion | Marney McQueen | Amy Field, Yvette Robinson* | Jessica Phillips | Naíma | Julie Stark | Christy Faber | Alice Mistroni, Valeria Belleudi |
| Shirley | Genevieve Lemon | Daniele Coombe | Keala Settle | Andrezza Massei | Ellie Leah | Babs Rubenstein | Elisa Musso |
| Cynthia | Lena Cruz | Kanako Nakano | J. Elaine Marcos | Lissah Martins | Frances Mayli McCann | Chelsea Zeno | Giada D'Auria |
| Miss Understanding | Trevor Ashley | Wesley Sebastian | Nathan Lee Graham | Leandro Luna | Alan Hunter | Nik Alexzander | Andrea Verzicco, Andrea Rossi |
| Jimmy | Kirk Page | Tristan Temple | James Brown III | Marcelo Vasquez | n/a | Taurean Everett | Cesar Josè Piombo, Pedro Gonzalez |
| Frank | Ben Lewis | John Brannoch | Mike McGowan | Beto Marque | Leon Kay | David Koch | Gianluca Briganti |
Question:
How many characters is by Babs Rubenstein?
Answer:
1.0