claim: San Francisco Bay Area contains zero cities.
evidence: La verita in cimento -LRB- -LSB- la veriˈta in tʃiˈmento -RSB- ; Truth in Contention -RRB- is an opera by Antonio Vivaldi to a libretto by Giovanni Palazzi .. opera. opera. Antonio Vivaldi. Antonio Vivaldi. libretto. libretto. The opera , Vivaldi 's 13th , was premiered during the Carnival at Venice in 1720 .. opera. opera. Carnival. Carnaval of Venice. The work is dedicated to Count Sava Vladislavich , a Russian legate who resided in Venice from 1716 to 1722 .. Sava Vladislavich. Sava Vladislavich. The work is listed as RV 739 in the Vivaldi catalogue .. Ryom Verzeichnis