CREATE TABLE table_name_61 (heat NUMBER, lane VARCHAR2, nationality VARCHAR2, name VARCHAR2)

What's China's heat for Zhang Lin in a lane after 6?
SELECT SUM(heat) FROM table_name_61 WHERE nationality = "china" AND name = "zhang lin" AND lane > 6
SELECT SUM("heat") FROM "table_name_61" WHERE "china" = "nationality" AND "lane" > 6 AND "name" = "zhang lin"