<Table> London Stadium <Tr> <Td_colspan="2"> View of the stadium from the Orbit tower in July 2015 </Td> </Tr> <Tr> <Th> Former names </Th> <Td> <Ul> <Li> Olympic Stadium (2012) </Li> <Li> The Stadium at Queen Elizabeth Olympic Park (2013--16) </Li> </Ul> </Td> </Tr> <Tr> <Th> Location </Th> <Td> Queen Elizabeth Olympic Park, Stratford London, E20 </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 51 ° 32 ′ 19" N 0 ° 00 ′ 59" W ﻿ / ﻿ 51.53861 ° N 0.01639 ° W ﻿ / 51.53861; - 0.01639 Coordinates: 51 ° 32 ′ 19" N 0 ° 00 ′ 59" W ﻿ / ﻿ 51.53861 ° N 0.01639 ° W ﻿ / 51.53861; - 0.01639 </Td> </Tr> <Tr> <Th> Public transit </Th> <Td> Stratford Stratford International </Td> </Tr> <Tr> <Th> Owner </Th> <Td> E20 Stadium, LLP </Td> </Tr> <Tr> <Th> Operator </Th> <Td> London Stadium 185 Ltd . </Td> </Tr> <Tr> <Th> Capacity </Th> <Td> <Ul> <Li> 57,000 (regulated capacity) 66,000 (total capacity) (Sports) </Li> <Li> 79,990 (Concerts) </Li> </Ul> </Td> </Tr> <Tr> <Th> Field size </Th> <Td> 115 by 74 yards (105 by 68 m) </Td> </Tr> <Tr> <Th> Surface </Th> <Td> Grass (Desso GrassMaster) Track (Mondotrack / WS, 9 Lanes) </Td> </Tr> <Tr> <Th_colspan="2"> Construction </Th> </Tr> <Tr> <Th> Broke ground </Th> <Td> 22 May 2008 (2008 - 05 - 22) </Td> </Tr> <Tr> <Th> Built </Th> <Td> 22 May 2008 (2008 - 05 - 22)--29 March 2011 (2011 - 03 - 29) </Td> </Tr> <Tr> <Th> Opened </Th> <Td> 6 May 2012 (2012 - 05 - 06) </Td> </Tr> <Tr> <Th> Renovated </Th> <Td> 2013--2016 </Td> </Tr> <Tr> <Th> Construction cost </Th> <Td> £ 486 million (£ 619 million in 2018 pounds) £ 274 million (2013--16 renovations) </Td> </Tr> <Tr> <Th> Architect </Th> <Td> Populous </Td> </Tr> <Tr> <Th> Project manager </Th> <Td> Savills </Td> </Tr> <Tr> <Th> Structural engineer </Th> <Td> Buro Happold </Td> </Tr> <Tr> <Th> Services engineer </Th> <Td> M-E Engineers </Td> </Tr> <Tr> <Th> General contractor </Th> <Td> Balfour Beatty </Td> </Tr> <Tr> <Th> Main contractors </Th> <Td> Sir Robert McAlpine </Td> </Tr> <Tr> <Th_colspan="2"> Tenants </Th> </Tr> <Tr> <Td_colspan="2"> West Ham United (2016--present) UK Athletics (2015--present) </Td> </Tr> <Tr> <Th_colspan="2"> Website </Th> </Tr> <Tr> <Td_colspan="2"> Venue Website </Td> </Tr> </Table> <Tr> <Td_colspan="2"> View of the stadium from the Orbit tower in July 2015 </Td> </Tr>

What is the capacity of the olympic stadium
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