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:
| Rnd | Pick | Player name | Position | College | Height | Weight |
| --- | --- | --- | --- | --- | --- | --- |
| 1.0 | 1.0 | Jake Long | Offensive tackle | Michigan | 6' 7" | 315lbs |
| 2.0 | 32.0 | Phillip Merling | Defensive end | Clemson | 6' 4" | 275lbs |
| 2.0 | 57.0 | Chad Henne | Quarterback | Michigan | 6' 3" | 228lbs |
| 3.0 | 66.0 | Kendall Langford | Defensive end | Hampton | 6' 6" | 287lbs |
| 4.0 | 110.0 | Shawn Murphy | Guard | Utah State | 6' 4" | 314lbs |
| 6.0 | 176.0 | Jalen Parmele | Running back | Toledo | 5' 11" | 225lbs |
| 6.0 | 195.0 | Donald Thomas | Guard | Connecticut | 6' 4" | 305lbs |
| 6.0 | 204.0 | Lex Hilliard | Running back | Montana | 5' 11" | 234lbs |
Question:
How many heights does chad henne have?
Answer:
1.0