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:
| Date | Opponent | Venue | Result | Attendance |
| --- | --- | --- | --- | --- |
| 9 August 1969 | Liverpool | A | 1-4 | 48383.0 |
| 11 August 1969 | West Ham United | A | 0-2 | 39003.0 |
| 16 August 1969 | Ipswich Town | H | 1-0 | 29613.0 |
| 20 August 1969 | West Ham United | H | 0-0 | 43346.0 |
| 23 August 1969 | Southampton | A | 2-2 | 25935.0 |
| 27 August 1969 | Tottenham Hotspur | A | 1-1 | 47395.0 |
| 30 August 1969 | Crystal Palace | H | 1-1 | 41908.0 |
| 6 September 1969 | Manchester City | A | 0-0 | 35995.0 |
| 13 September 1969 | Wolverhampton Wanderers | H | 2-2 | 38599.0 |
| 17 September 1969 | Burnley | H | 2-0 | 24904.0 |
| 20 September 1969 | Leeds United | A | 0-2 | 33130.0 |
| 27 September 1969 | Arsenal | H | 3-0 | 46370.0 |
| 4 October 1969 | Sunderland | A | 0-0 | 24216.0 |
| 11 October 1969 | Derby County | H | 2-2 | 51421.0 |
| 18 October 1969 | West Bromwich Albion | H | 2-0 | 34810.0 |
| 25 October 1969 | Newcastle United | A | 1-0 | 40088.0 |
| 1 November 1969 | Coventry City | H | 1-0 | 38899.0 |
| 8 November 1969 | Sheffield Wednesday | A | 3-1 | 18044.0 |
| 15 November 1969 | Everton | H | 1-1 | 49895.0 |
| 18 November 1969 | Ipswich Town | A | 4-1 | 20935.0 |
| 22 November 1969 | Nottingham Forest | A | 1-1 | 23808.0 |
| 6 December 1969 | Manchester United | A | 2-0 | 49344.0 |
| 13 December 1969 | Wolverhampton Wanderers | A | 0-3 | 26775.0 |
| 20 December 1969 | Manchester City | H | 3-1 | 34791.0 |
| 26 December 1969 | Southampton | H | 3-1 | 41489.0 |
| 27 December 1969 | Crystal Palace | A | 5-1 | 49498.0 |
| 10 January 1970 | Leeds United | H | 2-5 | 57221.0 |
| 17 January 1970 | Arsenal | A | 3-0 | 51338.0 |
| 31 January 1970 | Sunderland | H | 3-1 | 38775.0 |
| 11 February 1970 | Derby County | A | 2-2 | 35109.0 |
| 25 February 1970 | Newcastle United | H | 0-0 | 35341.0 |
| 28 February 1970 | Coventry City | A | 3-0 | 37448.0 |
| 7 March 1970 | Nottingham Forest | H | 1-1 | 55227.0 |
| 17 March 1970 | Stoke City | H | 1-0 | 28996.0 |
| 21 March 1970 | Manchester United | H | 2-1 | 61479.0 |
| 25 March 1970 | Sheffield Wednesday | H | 3-1 | 29590.0 |
| 28 March 1970 | Everton | A | 2-5 | 57828.0 |
| 30 March 1970 | West Bromwich Albion | A | 1-3 | 31207.0 |
| 4 April 1970 | Tottenham Hotspur | H | 1-0 | 44925.0 |
| 13 April 1970 | Stoke City | A | 2-1 | 22707.0 |
| 14 April 1970 | Burnley | A | 1-3 | 12030.0 |
| 18 April 1970 | Liverpool | H | 2-1 | 36521.0 |
Question:
Which Date has an Attendance larger than 51,338, and an Opponent of manchester united?
Answer:
21 March 1970