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_24673888_1 (callsign VARCHAR, station_type VARCHAR, ch__number VARCHAR)
### Question:
What is the callsign that has a station type of relay and a channel number of TV-2?
### Answer:
SELECT callsign FROM table_24673888_1 WHERE station_type = "Relay" AND ch__number = "TV-2"