IWF World Weightlifter of the Year

Columns: Year | Winner | Country
1998 | Tang Weifang | China | 1999 | Ding Meiyuan | China | 2000 | Ding Meiyuan | China | 2001 | Valentina Popova | Russia | 2002 | Wang Mingjuan | China | 2003 | Liu Chunhong | China | 2004 | Liu Chunhong | 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