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_23408094_14 (tournament_at_which_lead_began VARCHAR, player VARCHAR)
### Question:
At what tournament did pete sampras begin his lead?
### Answer:
SELECT tournament_at_which_lead_began FROM table_23408094_14 WHERE player = "Pete Sampras"