Question: What rival shopping mall to Bluewater was constructed on the site of a former chalk quarry?
Related documents: [0]  [DOC] Bluewater Shopping Centre (commonly referred to as Bluewater) is an out-of-town shopping centre in Stone (postally Greenhithe), Kent, England, outside the M25 Orbital motorway, 17.8 mi east south-east of London's centre. Opened on 16 March 1999 in a former chalk quarry after ten years of building works, the site including car parks occupies 240 acres and has a sales floor area of 154,000 m (1,600,000 ft) over three levels, making it the fourth-largest shopping centre in the UK (after the MetroCentre, Trafford Centre and Westfield Stratford City). Elsewhere in Europe only Istanbul's Cevahir Mall and Vienna's (Vösendorf) Shopping City Süd are bigger. The floor plan is a triangular shape with 330 stores, including 3 anchors, 40 cafés and restaurants, and a 13-screen cinema. The centre employs 7,000 people and serves over 27 million visitors a year. A main rival is the Lakeside Shopping Centre and its two retail parks by road 8 mi away in West Thurrock, Essex, just across the River Thames or 3.2 mi point-to-point. [END] 
[1]  [DOC] Lakeside Shopping Centre, branded as Intu Lakeside, is a large out-of-town shopping centre located in West Thurrock, in the borough of Thurrock, Essex just beyond the eastern boundary of Greater London. It was constructed on the site of a former chalk quarry. The first tenants moved into the complex in 1988 and it was completed in 1990, being opened on 25 October of that year by Princess Alexandra, The Honourable Lady Ogilvy, Marcus Bradford and Angus Ogilvy. [END] 
Answer: 
Lakeside Shopping Centre
Lakeside Shopping Centre