Answer the following question: What type of details about alla grebennikova can be gathered from the following bio? Bio: alla grebennikova -lrb- ; born 24 february 1949 -rrb- is a retired russian breaststroke swimmer who won two medals at the 1970 european aquatics championships . she also competed at the 1968 summer olympics and finished fourth in the 4 100 m medley and 200 m breaststroke events . she married a bulgarian swimming coach , georgi kostadinov -lrb- -rrb- , changed her name to kostadinova , and moved to bulgaria . there she worked as a swimming coach and started competing in the masters category . since around 2000 she returned to russia -lrb- or started sharing time between russia and bulgaria -rrb- and until 2008 was winning all russian 200 m breaststroke titles . she finished second at the european -lrb- 2001 -rrb- and world championships -lrb- 2004 -rrb- in the same event .
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- sport - height - medaltemplates - birth date - weight - club - birth place