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:
| Song | Singer | Co-Singers | Music Director | Lyricist | Co-Stars | Movie/Album | Year | Additional Info |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Holi Hai Holi Sakhi | Asha Bhosle | N/A | Madan Mohan Kohli | Rajendra Krishan | Cuckoo | Khota Paisa | 1958.0 | Jogi or Sanyasi |
| Jogiya Jogiya | Asha Bhosle | N/A | Madan Mohan Kohli | Rajendra Krishan | Shyama (as Menaka) | Khota Paisa | 1958.0 | Jogi or Sanyasi (as Vishwamitra) |
| O O Jaane Jaa | Asha Bhosle | N/A | Madan Mohan Kohli | Rajendra Krishan | Jeevankala | Khota Paisa | 1958.0 | Shethji with flower-Bouque |
| O Deewane Angrez | Asha Bhosle | N/A | Ravi Shankar Sharma (Bombay Ravi) | Shamshul Huda Bihari | Helen | Modern Girl | 1961.0 | Drunkard Club Guest |
| Raat Bhar Gardish Mein Saathi | Asha Bhosle | N/A | Ravi Shankar Sharma (Bombay Ravi) | Shakeel Badayuni | Helen | Wanted | 1961.0 | Chauffeur Photgrapher Tipping Dancer |
| Babu Re Babu Re Babu Re | Asha Bhosle | N/A | Ravi Shankar Sharma (Bombay Ravi) | Rajendra Krishan | Helen | Jawani Ki Hawa | 1959.0 | Detective Picking Through Window |
| Nain Hamare Do Pyaliyan Raswaliya Kar Denge Jadoo | Asha Bhosle | N/A | O. P. Nayyar | Hasrat Jaipuri | Minu Mumtaz | Mr. Quartoon M. A. | 1958.0 | Dinner Show Attendee |
| Jeene Do Aur Jiyo | Asha Bhosle | N/A | Sachin Dev Burman | Sahir Ludhianvi | Sheila Ramani | Taxi Driver | 1954.0 | Club Attendee |
| Main Hoon Phooljhadi | Asha Bhosle | N/A | Datta Naik | Qamar Jalalabadi | VijayaLaxmi | Marine Drive | 1955.0 | Club Attendee |
| Zindagi Ka Nasha Halka Halka Suroor | Asha Bhosle | N/A | C. Ramchandra | Shakeel Badayuni | Bela Bose | Wahan Ke Log | 1967.0 | Club Attendee |
| Dil Laga Kar Hum Yeh Samajhe Zindagi Kya Cheez Hai | Asha Bhosle | N/A | C. Ramchandra | Shakeel Badayuni | Faryal | Zindagi Aur Maut | 1965.0 | Friend |
| Jali Lo Dim Tana | Asha Bhosle | N/A | C. Ramchandra | Rajendra Krishan | Padmini and Ragini | Amar Deep | 1958.0 | Drummer |
| Main Albeli Pyar Jata Kar | Asha Bhosle | N/A | Shankar-Jaikishan | Hasrat Jaipuri | Helen | Shikar | 1968.0 | Prince of Tribe |
| Uthi Uthi Yeh & Hay Hay Rasiya Tu | Asha Bhosle | N/A | Naushad | Shakeel Badayuni | VijayaLaxmi | Dil Diya Dard Liya | 1966.0 | Mujra Dance Attendee |
| Pyar Karnewale Pyar Karte Hai Shaan Se | Asha Bhosle | N/A | Rahul Dev Burman | Anand Bakshi | Parveen Babi | Shaan | 1983.0 | Club Attendee and Dancer |
| Mere Jawani Ter Deewani | Asha Bhosle | N/A | Rahul Dev Burman | Anjaan | Helen | Hungama | 1971.0 | Nautanki Dance Attendee |
Question:
How many co-singers were there when Parveen Babi co-starred?
Answer:
1.0