Table: whrv
[['call sign', 'frequency mhz', 'city of license', 'erp w', 'class', 'fcc info'], ['whre', '91.9', 'eastville , virginia', '4400', 'a', 'fcc'], ['whrg', '88.5', 'gloucester point , virginia', '9600', 'b1', 'fcc'], ['whrl', '88.1', 'emporia , virginia', '4200', 'a', 'fcc'], ['whrx', '90.1', 'nassawadox , virginia', '46000', 'b', 'fcc'], ['w269bq', '101.7', 'virginia beach , virginia', '250', 'd', 'fcc']]
Statement: Call Sign W269bq has the highest Mhz Frequency
Statement: Call Sign Whrg has a higher Frequency of 0.4 Mhz than Call Sign Whrl
Statement: Call Sign Whrx has a higher Frequency than Call Sign Whrg
Statement: there are 2 Call Sign with the Class : a
Statement: Call Sign Whrx is in Class B whilst Call Sign Whrg is in Class B1