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:
| Round | Pick | Player | Position | Nationality | School/Club Team |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 1.0 | Bill Walton | C | United States | UCLA |
| 2.0 | 20.0 | Jan van Breda Kolff | G/F | United States | Vanderbilt |
| 2.0 | 34.0 | Phil Lumpkin | G | United States | Miami (OH) |
| 2.0 | 36.0 | Rubin Collins | G | United States | Maryland-Eastern Shore |
| 4.0 | 56.0 | Mickey Johnson | F | United States | Aurora |
| 6.0 | 92.0 | Daniel Anderson | G | United States | USC |
Question:
How many rounds have a position of C?
Answer:
1.0