(1) (a) How many instances of double granting of mining rights occurred in (i) 2010, (ii) 2011, (iii) 2012 and (iv) since 1 January 2013 and (b) what is her department doing to prevent the double granting of mining rights; (2) how much has her department spent in legal fees on legal cases brought against her department for the double granting of mining rights in (a) 2010, (b) 2011, (c) 2012 and (d) since 1 January 2013?