Question: Which Doubles have a Total larger than 176, and a Date smaller than 1907, and Doubles, I Class smaller than 21?
SQL: SELECT MAX("Doubles") FROM "2-15698158-1" WHERE "Total" > 176.0 AND "Date" < 1907.0 AND "Doubles, I Class" < 21.0;

Question: Which Total has a Date of 1602, and Greater Doubles smaller than 16?
SQL: SELECT MAX("Total") FROM "2-15698158-1" WHERE "Date" = 1602.0 AND "Greater Doubles" < 16.0;

Question: How much Total has Semidoubles smaller than 78, and Doubles, II Class smaller than 17?
SQL: SELECT COUNT("Total") FROM "2-15698158-1" WHERE "Semidoubles" < 78.0 AND "Doubles, II Class" < 17.0;

Question: Which Greater Doubles have Doubles, II Class smaller than 17?
SQL: SELECT AVG("Greater Doubles") FROM "2-15698158-1" WHERE "Doubles, II Class" < 17.0;

Question: How much Total has Doubles of 45, and Doubles, II Class larger than 18?
SQL: SELECT COUNT("Total") FROM "2-15698158-1" WHERE "Doubles" = 45.0 AND "Doubles, II Class" > 18.0;