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:
| Year | Program | Role | Episode | First aired |
| --- | --- | --- | --- | --- |
| 1957.0 | Alfred Hitchcock Presents | Charles Courtney | Appeared in the episode "The Perfect Crime" | October 20, 1957 |
| 1966.0 | Batman | Egghead | Various episodes | 1966 - 1967 |
| 1967.0 | F Troop | Count Sfoza | "V is for Vampire" | February 2, 1967 |
| 1969.0 | Get Smart | Dr Jarvis Pym | "Is This Trip Necessary?" | December 12, 1969 |
| 1972.0 | The Brady Bunch | Professor Hubert Whitehead | "Pass the Tabu" "The Tiki Caves" 2 episodes | September 29, 1972 October 6, 1972 |
| 1973.0 | Columbo | David Lang | "Lovely but Lethal" | September 23, 1973 |
| 1976.0 | The Bionic Woman | Manfred / Cyrus Carstairs | "Black Magic", Season 2, Episode 7 | 1976 |
| 1977.0 | The Muppet Show | Himself | One episode | January 29, 1977 |
| 1985.0 | The 13 Ghosts of Scooby-Doo | Vincent Van Ghoul (voice) | Animated series | 1985 |
Question:
What's the first aired date when Professor Hubert Whitehead was the role?
Answer:
September 29, 1972 October 6, 1972