Name the maximum discs
Volume Discs Episodes Region 1 Region 2 Region 4
real real real text text text
1-14562722-2
1 1 4 January 31, 2006 February 19, 2007 March 15, 2007
2 1 4 March 28, 2006 June 4, 2007 July 5, 2007
3 1 4 May 30, 2006 September 3, 2007 March 13, 2008
4 1 4 July 18, 2006 February 18, 2008 June 19, 2008
5 1 4 September 19, 2006 May 26, 2008 March 5, 2009
table_14562722_2
SELECT MAX Discs FROM table