CREATE TABLE table_23915973_1 (power_kw VARCHAR, frequency VARCHAR)
SELECT COUNT(power_kw) FROM table_23915973_1 WHERE frequency = "93.7 MHz"
ความถี่ 93.7 mhz มีกี่กำลังกิโลวัตต์?
How many power kw have a frequency of 93.7 mhz?