CREATE TABLE table_name_93 (channels VARCHAR, clock_rate__mhz_ VARCHAR, bandwidth__mb_s_ VARCHAR)

Clock rate (MHz) smaller than 400, and a Bandwidth (MB/s) of 1420 has what channels?
SELECT channels FROM table_name_93 WHERE clock_rate__mhz_ < 400 AND bandwidth__mb_s_ = 1420
SELECT "channels" FROM "table_name_93" WHERE "bandwidth__mb_s_" = 1420 AND "clock_rate__mhz_" < 400