Question: The Clock Tower in Venice is an early Renaissance building on the north side of a public square often known in English as what?

Context paragraphs:
Clock Tower, Brighton: The Clock Tower (sometimes called the Jubilee Clock Tower) is a free-standing clock tower in the centre of Brighton, part of the English city of Brighton and Hove.  Built in 1888 in commemoration of Queen Victoria's Golden Jubilee, the distinctive structure included innovative structural features and became a landmark in the popular and fashionable seaside resort.  The city's residents "retain a nostalgic affection" for it, even though opinion is sharply divided as to the tower's architectural merit.  English Heritage has listed the clock tower at Grade II for its architectural and historical importance.

Clock Tower of Bassano in Teverina: The Clock Tower of Bassano in Teverina is a Renaissance building in Viterbo, Italy, built to fortify the nearby church of Santa Maria dei Lumi's old bell tower by absorbing it in a tower.

Lawrence County Courthouse (Illinois): The Lawrenceville County Courthouse, located at 1100 State St. in Lawrenceville, is the county courthouse serving Lawrence County, Illinois.  Built in 1888-89, the courthouse is the third used by the county; all three courthouses were built at the same site in Lawrenceville's public square.  The McDonald Brothers, an architectural firm from Louisville, Kentucky, designed the building in the Renaissance Revival style.  The courthouse has a six-story clock tower with a clock and bell made by the Seth Thomas Clock Company; the tower is topped by an octagonal copper cupola.  The main entrance to the courthouse, located below the clock tower on the building's north side, is surrounded by a stone portico supported by Tuscan columns and topped by a balcony.  A copper cornice and limestone architrave encircle the top of the courthouse's main section; the second-story windows of this section have copper architraves, and a limestone belt course separates the two stories.

Clock Tower of Murshidabad: The Clock Tower of Murshidabad (locally known just as "Clock Tower" or "Ghari Ghar", also known as "Big Ben of Murshidabad") is a clock tower in the Nizamat Fort Campus in West Bengal, India.  The clock tower stands in the garden space between the Nizamat Imambara and the Hazarduari Palace; to its east, hardly a few feet away, is the old Madina Mosque and the Bacchawali Tope.

Birgu Clock Tower: The Birgu Clock Tower (Maltese: "It-Torri tal-Arloġġ tal-Birgu" ), also called the "Vittoriosa Clock Tower" and originally the Civic Clock Tower, was a clock tower in Birgu, Malta.  It was located in Victory Square, the city's main square, and it was a prominent landmark in Birgu and the rest of the Three Cities.  The tower was probably built in the Middle Ages, although some sources state that it was constructed in 1549.  It served as a watchtower since it had views over the Grand Harbour and the surrounding countryside, and it saw use during the Great Siege of Malta in 1565.  A clock was installed in the tower in the 17th century.

Coles County Courthouse: Coles County Courthouse is a historic courthouse in Charleston, Illinois.  The courthouse is located in a public square in central Charleston and houses most of Coles County, Illinois's administrative offices as well as its courts.  It was built in 1898 and designed by architect Cornelius W. Rapp in the Richardsonian Romanesque style.  The building's exterior is faced in brown stone from the Embarras River; Bedford stone is used for several architectural details.  The corners of the building feature pavilions topped by pyramids, and a clock tower topped with a pyramid is situated atop the center of the courthouse.  The four main entrances, located on each side of the building, feature an arcaded porch with recessed doors.

Hopwood Clock Tower: The Hopwood Clock Tower, also known as Hopwood's Tower, but most commonly known as simply The Clock Tower, is a clock tower located in the centre of The Square in Palmerston North, New Zealand.  The tower is named after local businessman Arthur Hopwood who paid for it to be constructed in 1953.

Piazza San Marco: Piazza San Marco (] ; Venetian: "Piasa San Marco" ), often known in English as St Mark's Square, is the principal public square of Venice, Italy, where it is generally known just as "la Piazza" ("the Square").  All other urban spaces in the city (except the Piazzetta and the Piazzale Roma) are called "campi" ("fields").  The Piazzetta ("little Piazza/Square") is an extension of the Piazza towards the lagoon in its south east corner (see plan).  The two spaces together form the social, religious and political centre of Venice and are commonly considered together.  This article relates to both of them.

Galle Clock Tower: The Galle Clock Tower (or Anthonisz Memorial Clock Tower) is located within the Galle Fort in Galle, Sri Lanka.  The Clock Tower is a popular landmark and overlooks the central Moon Bastion, on the site of the former guard room.  The Clock Tower was constructed in 1883, paid for through public subscriptions by the people of Galle, in recognition of Dr. P. D. Anthonisz.  The clock itself was the sole gift of a grateful patient, Mudaliyar Samson de Abrew Rajapakse.

St Mark's Clocktower: The Clock Tower in Venice is an early Renaissance building on the north side of the Piazza San Marco, at the entrance to the Merceria.  It comprises a tower, which contains the clock, and lower buildings on each side.  It adjoins the eastern end of the Procuratie Vecchie.  Both the tower and the clock date from the last decade of the 15th century, though the mechanism of the clock has subsequently been much altered.  It was placed where the clock would be visible from the waters of the lagoon and give notice to everyone of the wealth and glory of Venice.  The lower two floors of the tower make a monumental archway into the main street of the city, the Merceria, which linked the political and religious centre (the Piazza) with the commercial and financial centre (the Rialto).  Today it is one of the 11 venues managed by the Fondazione Musei Civici di Venezia.

Supporting paragraphs: St Mark's Clocktower Piazza San Marco
Answer: St Mark's Square