user: Question: Which website includes a webcast of listen live, a frequency under 680, and was licensed in the city of San Antonio.
Columns: ['Frequency', 'Callsign', 'Brand', 'City of License', 'Website', 'Webcast']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [680.0, 'KKYX', 'Country Legends 680', 'San Antonio', 'kkyx.com', 'listen live']
SQL:

assistant: SELECT "Website" FROM "Table" WHERE "City of License" = 'San Antonio' AND "Webcast" = 'listen live' AND "Frequency" = 680.0;