Question: How much Time has a Reaction of 0.155, and an Athlete of kristof beyens, and a Rank smaller than 3?
SQL: SELECT COUNT("Time") FROM "2-18569011-13" WHERE "React" = 0.155 AND "Athlete" = 'kristof beyens' AND "Rank" < 3.0;

Question: Which Lane has a Time larger than 20.5, and a Nationality of Trinidad and Tobago?
SQL: SELECT AVG("Lane") FROM "2-18569011-13" WHERE "Time" > 20.5 AND "Nationality" = 'Trinidad and Tobago';