Table: varvara_lepchenko_tournaments
Columns: tournament
2007
2011
2012
2013

Question: What is the value for 2011 corresponding to a 2007 value of 1r?
SQL: SELECT "2011" FROM varvara_lepchenko_tournaments WHERE "2007" = '1r'

Question: What value in 2013 corresponds to Grand Slam Tournaments in 2012?
SQL: SELECT "2013" FROM varvara_lepchenko_tournaments WHERE "2012" = 'grand slam tournaments'

Question: What is the 2012 value when the 2011 and 2007 values are 1R?
SQL: SELECT "2012" FROM varvara_lepchenko_tournaments WHERE "2011" = '1r' AND "2007" = '1r'

Question: What value for 2013 corresponds to the US Open Tournament?
SQL: SELECT "2013" FROM varvara_lepchenko_tournaments WHERE "tournament" = 'us open'