Table: toulouse_gold_tennis
Columns: year
men_s_singles
women_s_singles
men_s_doubles
women_s_doubles
mixed_doubles

Question: Who won Women's doubles when Nikhil Kanetkar won Men's singles?
SQL: SELECT "women_s_doubles" FROM toulouse_gold_tennis WHERE "men_s_singles" = 'nikhil kanetkar'

Question: Who won Women's doubles when Zen Yaqiong won Women's singles?
SQL: SELECT "women_s_doubles" FROM toulouse_gold_tennis WHERE "women_s_singles" = 'zen yaqiong'