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:
| Year | Championship | 54 holes | Winning score | Margin | Runner(s)-up |
| --- | --- | --- | --- | --- | --- |
| 1997.0 | Masters Tournament | 9 shot lead | −18 (70-66-65-69=270) | 12 strokes | Tom Kite |
| 1999.0 | PGA Championship | Tied for lead | −11 (70-67-68-72=277) | 1 stroke | Sergio García |
| 2000.0 | U.S. Open | 10 shot lead | −12 (65-69-71-67=272) | 15 strokes | Ernie Els , Miguel Ángel Jiménez |
| 2000.0 | The Open Championship | 6 shot lead | −19 (67-66-67-69=269) | 8 strokes | Thomas Bjørn , Ernie Els |
| 2000.0 | PGA Championship (2) | 1 shot lead | −18 (66-67-70-67=270) | Playoff 1 | Bob May |
| 2001.0 | Masters Tournament (2) | 1 shot lead | −16 (70-66-68-68=272) | 2 strokes | David Duval |
| 2002.0 | Masters Tournament (3) | Tied for lead | −12 (70-69-66-71=276) | 3 strokes | Retief Goosen |
| 2002.0 | U.S. Open (2) | 4 shot lead | −3 (67-68-70-72=277) | 3 strokes | Phil Mickelson |
| 2005.0 | Masters Tournament (4) | 3 shot lead | −12 (74-66-65-71=276) | Playoff 2 | Chris DiMarco |
| 2005.0 | The Open Championship (2) | 2 shot lead | −14 (66-67-71-70=274) | 5 strokes | Colin Montgomerie |
| 2006.0 | The Open Championship (3) | 1 shot lead | −18 (67-65-71-67=270) | 2 strokes | Chris DiMarco |
| 2006.0 | PGA Championship (3) | Tied for lead | −18 (69-68-65-68=270) | 5 strokes | Shaun Micheel |
| 2007.0 | PGA Championship (4) | 3 shot lead | −8 (71-63-69-69=272) | 2 strokes | Woody Austin |
| 2008.0 | U.S. Open (3) | 1 shot lead | −1 (72-68-70-73=283) | Playoff 3 | Rocco Mediate |
Question:
How many years had 54 holes and a 2 shot lead?
Answer:
1.0