| Occurrences | Answer | % Correct |
|---|---|---|
| 5 | John | 100%
|
| 6 | James | 86%
|
| 4 | William | 86%
|
| 3 | George | 81%
|
| 2 | Adams | 67%
|
| 2 | Franklin | 67%
|
| 2 | Bush | 62%
|
| 2 | Roosevelt | 57%
|
| 2 | Thomas | 52%
|
| 2 | Harrison | 43%
|
| 2 | Andrew | 38%
|
| 2 | Herbert | 38%
|
| 2 | Johnson | 38%
|
| 2 | S. | 38%
|
| 2 | Jefferson | 33%
|
| 2 | Walker | 29%
|
| 2 | Wilson | 29%
|