CREATE TABLE table_17617 ("Rank" FLOAT, "Fastest time  ( s ) " TEXT, "Wind  ( m/s ) " TEXT, "Athlete" TEXT, "Nation" TEXT, "Date" TEXT, "Location" TEXT)

What was the wind on 21 june 1976?
SELECT "Wind (m/s)" FROM table_17617 WHERE "Date" = '21 June 1976'
SELECT "Wind (m/s)" FROM "table_17617" WHERE "Date" = '21 June 1976'