Question: What country is the athlete Ekaterina Karsten from with a rank less than 4?
SQL: SELECT "Country" FROM "2-18662695-11" WHERE "Rank" < 4.0 AND "Athlete" = 'Ekaterina Karsten';

Question: What is the time of Frida Svensson's race that had SA/B under the notes?
SQL: SELECT "Time" FROM "2-18662695-11" WHERE "Notes" = 'SA/B' AND "Athlete" = 'Frida Svensson';

Question: What is the race time for Emma Twigg?
SQL: SELECT "Time" FROM "2-18662695-11" WHERE "Athlete" = 'Emma Twigg';

Question: What is the total rank for the athlete that had a race time of 7:34.24?
SQL: SELECT COUNT("Rank") FROM "2-18662695-11" WHERE "Time" = '7:34.24';