Table schema:
CREATE TABLE table_name_75 (date_sent VARCHAR, hd_designation VARCHAR, signal_power___kw__ VARCHAR, arrival_date VARCHAR)

Question: What is Date Sent, when Signal Power ( kW ) is less than 126, when Arrival Date is "January 2059", and when HD Designation is "HD193664"?
SQL: SELECT date_sent FROM table_name_75 WHERE signal_power___kw__ < 126 AND arrival_date = "january 2059" AND hd_designation = "hd193664"