CREATE TABLE table_9677 ("Heat" FLOAT, "Lane" FLOAT, "Name" TEXT, "Country" TEXT, "Mark" TEXT)

Who is in heat 5 from Guyana?
SELECT "Name" FROM table_9677 WHERE "Heat" = '5' AND "Country" = 'guyana'
SELECT "Name" FROM "table_9677" WHERE "Country" = 'guyana' AND "Heat" = '5'