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:
| Ship | Hull Number | Laid down | Launched | Commissioned |
| --- | --- | --- | --- | --- |
| Nimitz | CVN-68 | 22 June 1968 | 13 May 1972 | 3 May 1975 |
| Dwight D. Eisenhower | CVN-69 | 15 August 1970 | 11 October 1975 | 18 October 1977 |
| Carl Vinson | CVN-70 | 11 October 1975 | 15 March 1980 | 13 March 1982 |
| Theodore Roosevelt | CVN-71 | 31 October 1981 | 27 October 1984 | 25 October 1986 |
| Abraham Lincoln | CVN-72 | 3 November 1984 | 13 February 1988 | 11 November 1989 |
| George Washington | CVN-73 | 25 August 1986 | 21 July 1990 | 4 July 1992 |
| John C. Stennis | CVN-74 | 13 March 1991 | 11 November 1993 | 9 December 1995 |
| Harry S. Truman | CVN-75 | 29 November 1993 | 7 September 1996 | 25 July 1998 |
| Ronald Reagan | CVN-76 | 12 February 1998 | 4 March 2001 | 12 July 2003 |
| George H.W. Bush | CVN-77 | 6 September 2003 | 9 October 2006 | 10 January 2009 |
Question:
What is Laid Down, when Hull Number is "CVN-69"?
Answer:
15 August 1970