CREATE TABLE table_name_77 (lane NUMBER, heat VARCHAR2, name VARCHAR2)

How many lanes have 2 as the heat, and susanna kallur as the name?
SELECT SUM(lane) FROM table_name_77 WHERE heat = 2 AND name = "susanna kallur"
SELECT SUM("lane") FROM "table_name_77" WHERE "heat" = 2 AND "name" = "susanna kallur"