Question: What nationality is Erin Donohue?
SQL: SELECT "Nationality" FROM "2-18569335-2" WHERE "Name" = 'Erin Donohue';

Question: How many heats did Runners from guinea-bissau run, with rank higher than 33?
SQL: SELECT SUM("Heat") FROM "2-18569335-2" WHERE "Nationality" = 'guinea-bissau' AND "Rank" < 33.0;