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:
| # | Title | Songwriters | Producer(s) | Performer (s) |
| --- | --- | --- | --- | --- |
| 1 | "A Dream" | L. Lynn, W. Adams, M.L. King Jr. | will.i.am | Common, will.i.am |
| 2 | "Listen!!!" | T.K. Greene, K. Holland, F. Williams | Kwamé | Talib Kweli |
| 3 | "It's R Time [Lenky Remix]" | J. Ortega, V. Santiago, L. Vazquez, R. Ramirez, K. Ravenell, E. Almonte | *?* | Jeannie Ortega |
| 4 | "When the Ship Goes Down (Diamond D Remix)" | L. Freese, L. Muggerud, L. Dickens | DJ Muggs | Cypress Hill |
| 5 | "Hip Hop Hooray" | V. Brown, A. Criss, K. Gist, E. Isley, Ru. Isley, Ro. Isley, O. Isley, M. Isley | Naughty by Nature | Naughty by Nature |
| 6 | "Keep Ya Head Up" | T. Shakur, D. Anderson, S. Vincent, R. Troutman | DJ Daryl | 2Pac |
| 7 | "Code of the Streets" | K. Elam, C. Martin, R. Russell | DJ Premier | Gang Starr |
| 8 | "Rebirth of Slick (Cool Like Dat)" | I. Butler, C. Irving, M. Vieira, J. Williams | Butterfly | Digable Planets |
| 9 | "Officer" | T. Hardson, J. Martinez, R. Robinson, D. Stewart, E. Wilcox | J-Swift | The Pharcyde |
| 10 | "This Is How We Do It" | M. Jordan, O. Pierce, R. Walters | Montell Jordan, Oji Pierce | Montell Jordan |
| 11 | "Colors" | W. Adams | will.i.am | will.i.am |
| 12 | "Bus Ride" | W. Adams | will.i.am | will.i.am |
| 13 | "Riots" | M. Isham, W. Adams | *?* | Mark Isham, Miri Ben-Ari, will.i.am |
| 14 | "Eva's Theme" | M. Isham | *?* | Mark Isham |
| 15 | "Anne Frank" | M. Isham | *?* | Mark Isham, Miri Ben-Ari |
Question:
on how many songs is m. isham listed as a songwriter?
Answer:
3