Who is the race caller when jim mckay and al michaels were s hosts in the year 1987?
CREATE TABLE "1980s" (
  "year" real,
  "network" text,
  "race_caller" text,
  "s_host" text,
  "s_analyst" text,
  "reporters" text,
  "trophy_presentation" text
);
SELECT "race_caller" FROM "1980s" WHERE "s_host"='Jim McKay and Al Michaels' AND "year"=1987;