Question: What is the mark for the runner in lanes under 2 and heats under 5?
SQL: SELECT "Mark" FROM "2-16195179-2" WHERE "Lane" < 2.0 AND "Heat" < 5.0;

Question: Who is in heat 5 from Guyana?
SQL: SELECT "Name" FROM "2-16195179-2" WHERE "Heat" = 5.0 AND "Country" = 'Guyana';

Question: How many lanes was khadevis robinson in for heats over 2?
SQL: SELECT COUNT("Lane") FROM "2-16195179-2" WHERE "Heat" > 2.0 AND "Name" = 'khadevis robinson';