Table:
text: Rhondda
Mining disasters
Mining disasters in the Rhondda Valley 1850 - 1965
Colliery Location_ Date_ Year_ Death_toll cause
Dinas Colliery Dinas 1 January 1844 12 gas explosion
Cymmer Colliery Cymmer 15 July 1856 112 gas explosion
Ferndale No. 1 Pit Blaenllechau 8 November 1867 178 gas explosion
Ferndale No. 1 Pit Blaenllechau 10 June 1869 53 gas explosion
Pentre Colliery Pentre 24 February 1871 38 gas explosion
Tynewydd Colliery Porth 11 April 1877 5 flooding
Dinas Middle Colliery Dinas 13 January 1879 63 gas explosion
Naval Colliery Penygraig 10 December 1880 101 gas explosion
Gelli Colliery Gelli 21 August 1883 5 gas explosion
Naval Colliery Penygraig 27 January 1884 14 gas explosion

Question: Which year has a location of Dinas on January 13 under Rhondda?