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 # |
| --- | --- | --- | --- | --- | --- | --- |
| 73.0 | 401.0 | "Hawaii Bound" | Jack Arnold | Tam Spiva | September22,1972 | 72.0 |
| 74.0 | 402.0 | "Pass the Tabu" | Jack Arnold | Tam Spiva | September29,1972 | 73.0 |
| 75.0 | 403.0 | "The Tiki Caves" | Jack Arnold | Tam Spiva | October6,1972 | 74.0 |
| 76.0 | 404.0 | "Today, I Am a Freshman" | Hal Cooper | Myles Wilder | October13,1972 | 75.0 |
| 77.0 | 405.0 | "Cyrano de Brady" | Hal Cooper | Skip Webster | October20,1972 | 76.0 |
| 78.0 | 406.0 | "Fright Night" | Jerry London | Brad Radnitz | October27,1972 | 77.0 |
| 79.0 | 407.0 | "The Show Must Go On??" | Jack Donohue | Harry Winkler | November3,1972 | 81.0 |
| 80.0 | 408.0 | "Jan, the Only Child" | Roger Duchowny | Ralph Goodman & Al Schwartz | November10,1972 | 80.0 |
| 81.0 | 409.0 | "Career Fever" | Jerry London | Adele Styler & Burt Styler | November17,1972 | 78.0 |
| 82.0 | 410.0 | "Goodbye, Alice, Hello" | George Tyne | Milt Rosen | November24,1972 | 83.0 |
| 83.0 | 411.0 | "Greg's Triangle" | Richard Michaels | Bill Freedman & Ben Gershman | December8,1972 | 86.0 |
| 84.0 | 412.0 | "Everyone Can't Be George Washington" | Richard Michaels | Sam Locke & Milton Pascal | December22,1972 | 85.0 |
| 85.0 | 413.0 | "Love and the Older Man" | Richard Michaels | Sam Locke & Milton Pascal | January5,1973 | 84.0 |
| 86.0 | 414.0 | "Law and Disorder" | Hal Cooper | Elroy Schwartz | January12,1973 | 79.0 |
| 87.0 | 415.0 | "Greg Gets Grounded" | Jack Arnold | Elroy Schwartz | January19,1973 | 89.0 |
| 88.0 | 416.0 | "Amateur Nite" | Jack Arnold | Sam Locke & Milton Pascal | January26,1973 | 92.0 |
| 89.0 | 417.0 | "Bobby's Hero" | Leslie H. Martinson | Michael Morris | February2,1973 | 87.0 |
| 90.0 | 418.0 | "The Subject Was Noses" | Jack Arnold | Larry Rhine & Al Schwartz | February9,1973 | 90.0 |
| 91.0 | 419.0 | "How to Succeed in Business?" | Robert Reed | Gene Thompson | February23,1973 | 91.0 |
| 92.0 | 420.0 | "The Great Earring Caper" | Leslie H. Martinson | Larry Rhine & Al Schwartz | March2,1973 | 88.0 |
| 93.0 | 421.0 | "You're Never Too Old" | Bruce Bilson | Ben Gershman & Bill Freedman | March9,1973 | 93.0 |
| 94.0 | 422.0 | "You Can't Win Them All" | Jack Donohue | Lois Hire | March16,1973 | 82.0 |
Question:
How many original air dates are there for the episode titled "Everyone can't be George Washington"?
Answer:
1.0