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:
| Player | Country | Year(s) won | R1 | R2 | R3 | R4 | Total | To par | Finish |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Phil Mickelson | United States | 2004 , 2006 | 73.0 | 68.0 | 71.0 | 67.0 | 279.0 | –9 | 5 |
| Tiger Woods | United States | 1997 , 2001 , 2002 , 2005 | 70.0 | 72.0 | 70.0 | 68.0 | 280.0 | –8 | T6 |
| Trevor Immelman | South Africa | 2008 | 71.0 | 74.0 | 72.0 | 69.0 | 286.0 | –2 | T20 |
| Sandy Lyle | Scotland | 1988 | 72.0 | 70.0 | 73.0 | 71.0 | 286.0 | –2 | T20 |
| Larry Mize | United States | 1987 | 67.0 | 76.0 | 72.0 | 72.0 | 287.0 | –1 | T30 |
| Vijay Singh | Fiji | 2000 | 71.0 | 70.0 | 72.0 | 74.0 | 287.0 | –1 | T30 |
Question:
What was the minimum score for r2?
Answer:
68.0