Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_74 (heat VARCHAR, lane VARCHAR, name VARCHAR)
### Question:
What is the sum of heat for christophe lebon when lane is less than 4?
### Answer:
SELECT COUNT(heat) FROM table_name_74 WHERE lane < 4 AND name = "christophe lebon"