Question: What is the name of a partner that played on a Hard surface on 18 April 2011?
SQL: SELECT "Partner" FROM "2-15162099-8" WHERE "Surface" = 'Hard' AND "Date" = '18 April 2011';

Question: What was the score for the final played on 2 July 2012?
SQL: SELECT "Score" FROM "2-15162099-8" WHERE "Date" = '2 July 2012';