Question: Which Athlete has a Reaction of 0.248?
SQL: SELECT "Athlete" FROM "2-18569105-7" WHERE "React" = 0.248;

Question: Which Rank has a Reaction of 0.198, and a Time smaller than 46.3?
SQL: SELECT MAX("Rank") FROM "2-18569105-7" WHERE "React" = 0.198 AND "Time" < 46.3;

Question: Which Lane has a Time larger than 47.83?
SQL: SELECT AVG("Lane") FROM "2-18569105-7" WHERE "Time" > 47.83;

Question: Which Reaction has a Rank smaller than 4, and a Nationality of Trinidad and Tobago, and a Time larger than 45.13?
SQL: SELECT AVG("React") FROM "2-18569105-7" WHERE "Rank" < 4.0 AND "Nationality" = 'Trinidad and Tobago' AND "Time" > 45.13;