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_75 (lane INTEGER, heat VARCHAR, name VARCHAR)
### Question:
What is the sum of the lanes before heat 7 that elizabeth simmonds swam?
### Answer:
SELECT SUM(lane) FROM table_name_75 WHERE heat < 7 AND name = "elizabeth simmonds"