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_9 (constructor VARCHAR, laps VARCHAR, grid VARCHAR)
### Question:
What is the name of the constructor who has more than 50 laps and a grid of 7?
### Answer:
SELECT constructor FROM table_name_9 WHERE laps > 50 AND grid = 7