Question: What is the lowest Greater Doubles, when Doubles, I Class is 23, and when Doubles, II Class is less than 27?
SQL: SELECT MIN("Greater Doubles") FROM "2-15698158-1" WHERE "Doubles, I Class" = 23.0 AND "Doubles, II Class" < 27.0;

Question: What is the highest Doubles, II Class, when Doubles, I Class is less than 19?
SQL: SELECT MAX("Doubles, II Class") FROM "2-15698158-1" WHERE "Doubles, I Class" < 19.0;

Question: What is the lowest Semidoubles, when Doubles, II Class is 18, and when Total is less than 164?
SQL: SELECT MIN("Semidoubles") FROM "2-15698158-1" WHERE "Doubles, II Class" = 18.0 AND "Total" < 164.0;

Question: What is the lowest Date, when Doubles, II Class is 18, and when Total is less than 164?
SQL: SELECT MIN("Date") FROM "2-15698158-1" WHERE "Doubles, II Class" = 18.0 AND "Total" < 164.0;