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_95 (purse VARCHAR, trainer VARCHAR)
### Question:
What is the purse when Aidan O'brien was the trainer?
### Answer:
SELECT purse FROM table_name_95 WHERE trainer = "aidan o'brien"