[PAR] [TLE] John Watson (boxer) [SEP] John Watson (Born 9 June 1983) is a British lightweight boxer, based in Liverpool, Merseyside, United Kingdom.  He has fought for the British lightweight title on two occasions, losing to Gavin Rees and Anthony Crolla. [PAR] [TLE] Anthony Crolla [SEP] Anthony Crolla (born 16 November 1986) is a British professional boxer.  He held the WBA lightweight title from 2015 to 2016, and the British lightweight title from 2011 to 2012.
[PAR] [TLE] John Watson ( boxer ) [ SEP ] John Watson ( Born 9 June 1983 ) is a British lightweight boxer , based in Liverpool , Merseyside , United Kingdom . He has fought for the British lightweight title on two occasions , losing to Gavin Rees and Anthony Crolla . [PAR] [TLE] Anthony Crolla [ SEP ] Anthony Crolla ( born 16 November 1986 ) is a British professional boxer . He held the WBA lightweight title from 2015 to 2016 , and the British lightweight title from 2011 to 2012 .
When did the professional boxer who John Watson lost to hold the WBA lightweight title?
When did the professional boxer who John Watson lost to hold the WBA lightweight title ?
2015 to 2016
2015 to 2016