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_28039032_1 (winners_from_previous_round VARCHAR, round VARCHAR)
### Question:
How many winners from previous round were there in the semi finals?
### Answer:
SELECT winners_from_previous_round FROM table_28039032_1 WHERE round = "Semi finals"