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:
| Episode # | Season # | Title | Directed by | Written by | Original airdate | Production code (order they were made) # |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | 101.0 | "The Honeymoon" | John Rich | Sherwood Schwartz | September26,1969 | 0.0 |
| 2.0 | 102.0 | "Dear Libby" | John Rich | Lois Hire | October3,1969 | 2.0 |
| 3.0 | 103.0 | "Eenie, Meenie, Mommy, Daddy" | John Rich | Joanna Lee | October10,1969 | 5.0 |
| 4.0 | 104.0 | "Alice Doesn't Live Here Anymore" | John Rich | Paul West | October17,1969 | 6.0 |
| 5.0 | 105.0 | "Katchoo" | John Rich | William Cowley | October24,1969 | 4.0 |
| 6.0 | 106.0 | "A Clubhouse is Not a Home" | John Rich | Skip Webster | October31,1969 | 1.0 |
| 7.0 | 107.0 | "Kitty Karry-All is Missing" | John Rich | Al Schwartz & Bill Freedman | November7,1969 | 3.0 |
| 8.0 | 108.0 | "A-Camping We Will Go" | Oscar Rudolph | Herbert Finn & Alan Dinehart | November14,1969 | 12.0 |
| 9.0 | 109.0 | "Sorry, Right Number" | George Cahan | Ruth Brooks Flippen | November21,1969 | 9.0 |
| 10.0 | 110.0 | "Every Boy Does It Once" | Oscar Rudolph | Lois Peyser & Arnold Peyser | December5,1969 | 14.0 |
| 11.0 | 111.0 | "Vote for Brady" | David Alexander | Elroy Schwartz | December12,1969 | 13.0 |
| 12.0 | 112.0 | "The Voice of Christmas" | Oscar Rudolph | John Fenton Murray | December19,1969 | 15.0 |
| 13.0 | 113.0 | "Is There a Doctor in the House?" | Oscar Rudolph | Ruth Brooks Flippen | December26,1969 | 10.0 |
| 14.0 | 114.0 | "Father of the Year" | George Cahan | Skip Webster | January2,1970 | 7.0 |
| 15.0 | 115.0 | "54-40 and Fight" | Oscar Rudolph | Burt Styler | January9,1970 | 11.0 |
| 16.0 | 116.0 | "Mike's Horror-Scope" | David Alexander | Ruth Brooks Flippen | January16,1970 | 16.0 |
| 17.0 | 117.0 | "The Undergraduate" | Oscar Rudolph | David P. Harmon | January23,1970 | 18.0 |
| 18.0 | 118.0 | "Tiger! Tiger!" | Herb Wallerstein | Elroy Schwartz | January30,1970 | 20.0 |
| 19.0 | 119.0 | "The Big Sprain" | Russ Mayberry | Tam Spiva | February6,1970 | 21.0 |
| 20.0 | 120.0 | "Brace Yourself" | Oscar Rudolph | Brad Radnitz | February13,1970 | 20.0 |
| 21.0 | 121.0 | "The Hero" | Oscar Rudolph | Elroy Schwartz | February20,1970 | 22.0 |
| 22.0 | 122.0 | "The Possible Dream" | Oscar Rudolph | Al Schwartz & Bill Freedman | February27,1970 | 24.0 |
| 23.0 | 123.0 | "To Move or Not to Move" | Oscar Rudolph | Paul West | March6,1970 | 18.0 |
| 24.0 | 124.0 | "The Grass is Always Greener" | George Cahan | David P. Harmon | March13,1970 | 8.0 |
Question:
What is the highest episode# with the writer Paul West?
Answer:
23.0