IWF World Weightlifter of the Year

Columns: Year | Winner | Country
1991 | Sun Caiyan | China | 1992 | Peng Liping | China | 1993 | Chen Shu-chih | Chinese Taipei | 1994 | Guan Hong | China | 1995 | Chen Shu-chih | Chinese Taipei | 1996 | Li Hongyun | China | 1997 | Tang Weifang | China

Example questions:
Of the Women 's IWF World Weightlifter of the Year athletes with a year of 2004 to 2010 , what is the least common year of birth ? | Of the Women 's IWF World Weightlifter of the Year athletes with a year of 2004 to 2010 , what is the most common year of birth ? | Of the Women 's IWF World Weightlifter of the Year athletes with a year of 2007 to 2010 , what is the most common month of birth ? | What is the name of the Women 's IWF World Weightlifter of the Year athlete who won the most number of times between 1999 and 2010 ?

Answers:
1986 | 1983 | October | Liu Chunhong