Question: What is the date for the Grass surface final against Nathan Healey?
SQL: SELECT "Date" FROM "2-15162099-4" WHERE "Surface" = 'Grass' AND "Opponent in the final" = 'Nathan Healey';

Question: What was the score of the final against Dane Propoggia?
SQL: SELECT "Score" FROM "2-15162099-4" WHERE "Opponent in the final" = 'Dane Propoggia';