What's the Wednesday, June 1 practice time for the rider that did 21' 05.87 107.300mph on Thursday, June 2?
create table table_29218221_3 (wed_1_june varchar, thurs_2_june varchar, PRIMARY KEY (wed_1_june))
select wed_1_june from table_29218221_3 where thurs_2_june = "21' 05.87 107.300mph"