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:
| Series # | Title | Directed by | Written by | Original air date | Production code |
| --- | --- | --- | --- | --- | --- |
| 1.0 | "Pilot" | Jack Bender & James Hayman | Barbara Hall | September 26, 2003 | 100.0 |
| 2.0 | "The Fire and the Wood" | James Hayman | Hart Hanson | October 3, 2003 | 101.0 |
| 3.0 | "Touch Move" | Josh Brand | Barbara Hall | October 10, 2003 | 102.0 |
| 4.0 | "The Boat" | Kevin Dowling | Randy Anderson | October 17, 2003 | 103.0 |
| 5.0 | "Just Say No" | Steve Gomer | Tom Garrigus | October 24, 2003 | 104.0 |
| 6.0 | "Bringeth It On" | David Petrarca | Joy Gregory | October 31, 2003 | 105.0 |
| 7.0 | "Death Be Not Whatever" | Peter Levin | Barbara Hall | November 7, 2003 | 106.0 |
| 8.0 | "The Devil Made Me Do It" | James Hayman | Hart Hanson | November 14, 2003 | 107.0 |
| 9.0 | "St. Joan" | Martha Mitchell | Randy Anderson | November 21, 2003 | 108.0 |
| 10.0 | "Drive, He Said" | Ron Lagomarsino | Tom Garrigus | December 5, 2003 | 109.0 |
| 11.0 | "The Uncertainty Principle" | Helen Shaver | Joy Gregory | December 12, 2003 | 110.0 |
| 12.0 | "Jump" | Timothy Busfield | Hart Hanson | January 9, 2004 | 111.0 |
| 13.0 | "Recreation" | Elodie Keene | Barbara Hall | January 16, 2004 | 112.0 |
| 14.0 | "State of Grace" | Steve Gomer | Joshua Ravetch | February 6, 2004 | 113.0 |
| 15.0 | "Night Without Stars" | Kevin Dowling | David Grae | February 13, 2004 | 115.0 |
| 16.0 | "Double Dutch" | Alan Myerson | Tom Garrigus | February 20, 2004 | 116.0 |
| 17.0 | "No Bad Guy" | James Hayman | Sibyl Gardner | February 27, 2004 | 114.0 |
| 18.0 | "Requiem for a Third Grade Ashtray" | Kevin Dowling | Joy Gregory | March 12, 2004 | 117.0 |
| 19.0 | "Do the Math" | Rob Morrow | Antoinette Stella | April 2, 2004 | 118.0 |
| 20.0 | "Anonymous" | Steve Gomer | David Grae | April 30, 2004 | 119.0 |
| 21.0 | "Vanity, Thy Name Is Human" | Jerry Levine | Robert Girardi | May 7, 2004 | 120.0 |
| 22.0 | "The Gift" | Martha Mitchell | Stephen Nathan | May 14, 2004 | 121.0 |
Question:
How many episode titles have series number 4?
Answer:
1.0