Please answer the following question: Given the following context:  Along with the rest of Trafford, Stretford maintains a selective education system assessed by the 11-plus examination. The proportion of pupils leaving Stretford Grammar School with five or more GCSEs at grades A*–C in 2006, was 98.3%, compared to an average of 66.7% for all secondary schools in Trafford and a national UK average of 61.3%. The proportion of students from minority ethnic backgrounds, and for whom English is an additional language, is much higher than the average. Stretford Grammar was awarded specialist Science College status in September 2005. The school was assessed as "good" in its April 2015 Ofsted report.Stretford High School Community Languages College, like Stretford Grammar, has a much higher proportion than the national average of pupils with a first language other than English, many of them being either asylum seekers or refugees. In 2004 Stretford High School was made subject to special measures, as it was considered not to be providing an adequate education for its pupils. Substantial improvement has taken place since then; the school was assessed as "satisfactory" in its November 2005 Ofsted report and was removed from special measures. Further improvements saw Stretford High School gain an "outstanding" assessment from Ofsted, following its February 2008 inspection. GCSE results also placed the school in the top 1% of schools in the country for adding value to its students.Stretford also has the specialist Arts College, Lostock College. Plans to build a new university in the town, to be known as University Academy 92, were announced in September 2017. A branch of Lancaster University, it hopes to welcome the first of its anticipated 6500 students in September 2019. The campus is to be built on the Kelloggs headquarters site on Talbot Road, which has already been acquired by Trafford Council for £12 million.  answer the following question:  What has already been acquired by Trafford Council for £12 million?
A:
Kelloggs headquarters site