Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Network | Race caller | s Host | s Analyst | Reporters | Trophy presentation |
| --- | --- | --- | --- | --- | --- | --- |
| 1989.0 | ABC | Dave Johnson | Jim McKay and Al Michaels | Charlsie Cantey and Dave Johnson | Jack Whitaker and Lynn Swann | Jim McKay |
| 1988.0 | ABC | Dave Johnson | Jim McKay and Al Michaels | Charlsie Cantey and Dave Johnson | Jack Whitaker and Lynn Swann | Jim McKay |
| 1987.0 | ABC | Dave Johnson | Jim McKay and Al Michaels | Charlsie Cantey and Dave Johnson | Jack Whitaker and Lynn Swann | Jim McKay |
| 1986.0 | ABC | Mike Battaglia | Jim McKay and Al Michaels | Charlsie Cantey and Bill Hartack | Jack Whitaker and Lynn Swann | Jim McKay |
| 1985.0 | ABC | Mike Battaglia | Jim McKay | Bill Hartack | Howard Cosell and Jack Whitaker | Jim McKay |
| 1984.0 | ABC | Mike Battaglia | Jim McKay | Bill Hartack | Howard Cosell and Jack Whitaker | Jim McKay |
| 1983.0 | ABC | Mike Battaglia | Jim McKay | Bill Hartack | Howard Cosell , Frank Gifford , and Jack Whitaker | Jim McKay |
| 1982.0 | ABC | Mike Battaglia | Jim McKay | John M. Veitch | Howard Cosell and Jack Whitaker | Jim McKay |
| 1981.0 | ABC | Mike Battaglia | Jim McKay | Eddie Arcaro | Howard Cosell | Jim McKay and Howard Cosell |
Question:
Who is the race caller when jim mckay and al michaels were s hosts in the year 1987?
Answer:
Dave Johnson