Question: Which champion has Sentosa Golf Club as the tournament location?
SQL: SELECT "Champion" FROM "2-15618241-1" WHERE "Tournament Location" = 'Sentosa Golf Club';

Question: What is the highest winner's share that has jiyai shin as the championship with a year prior to 2009?
SQL: SELECT MAX("Winner's share") FROM "2-15618241-1" WHERE "Champion" = 'jiyai shin' AND "Year" < 2009.0;

Question: Which county has 2011 as the year?
SQL: SELECT "Country" FROM "2-15618241-1" WHERE "Year" = 2011.0;

Question: How many winner's shares have Ai Miyazato as the champion?
SQL: SELECT SUM("Winner's share") FROM "2-15618241-1" WHERE "Champion" = 'Ai Miyazato';