|Institution|Location|Established|Gained university status|Vice-chancellor|Total number of students|Research funding (£,000)|
|---|---|---|---|---|---|---|
|Birkbeck, University of London|London|1823|1920|Professor David Latchman|19,020|9,985|
|University of East Anglia|Norwich|1963|1963|Professor Edward Acton|19,585|16,482|
|University of Essex|Colchester|1964|1964|Professor Anthony Forster|11,690|9,967|
|Goldsmiths, University of London|London|1891|1904|Dr Pat Loughrey|7,615|8,539|
|Institute of Education, University of London|London|1902|1932|Professor Chris Husbands|7,215|7,734|
|University of Lancaster|Lancaster|1964|1964|Professor Mark Smith|12,695|18,640|
|University of Leicester|Leicester|1921|1957|Professor Robert Burgess|16,160|22,225|
|Loughborough University|Loughborough|1909|1966|Professor Robert Allison|17,825|22,398|
|Royal Holloway, University of London|Egham|1849|1900|Professor Paul Layzell (Principal)|7,620|13,699|
|SOAS, University of London|London|1916|1916|Professor Paul Webley|4,525|7,238|
|University of Sussex|Brighton|1961|1961|Professor Michael Farthing|12,415|16,196|

Question: how many of the institutions are located in london?
Answer: 4