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:
| Shooter | Event | Rank points | Score points | Total |
| --- | --- | --- | --- | --- |
| Erminio Frasca ( ITA ) | WCF 2007 | Defending champion | Defending champion | Defending champion |
| David Kostelecký ( CZE ) | OG Beijing | Olympic gold medalist | Olympic gold medalist | Olympic gold medalist |
| Giovanni Pellielo ( ITA ) | OG Beijing | Olympic silver medalist | Olympic silver medalist | Olympic silver medalist |
| Aleksei Alipov ( RUS ) | OG Beijing | Olympic bronze medalist | Olympic bronze medalist | Olympic bronze medalist |
| Michael Diamond ( AUS ) | WC Kerrville | 15 | 13 | 28 |
| Stéphane Clamens ( FRA ) | WC Belgrade | 15 | 12 | 27 |
| Mário Filipovič ( SVK ) | WC Beijing | 15 | 8 | 23 |
| Bret Erickson ( USA ) | WC Suhl | 10 | 12 | 22 |
| Dominic Grazioli ( USA ) | WC Kerrville | 8 | 13 | 21 |
| Massimo Fabbrizi ( ITA ) | WC Belgrade | 10 | 11 | 21 |
| Massimiliano Mola ( ITA ) | WC Kerrville | 10 | 10 | 20 |
| Francesco Amici ( SMR ) | WC Belgrade | 8 | 10 | 18 |
Question:
Who was the shooter when the rank points was 8 and the event was WC Kerrville?
Answer:
Dominic Grazioli ( USA )