question: What is the 2 June time for the rider with time of 17' 48.58 127.111mph on 3 June?
answer: SELECT wed_2_june FROM table_25220821_4 WHERE thurs_3_june = "17' 48.58 127.111mph"
context: CREATE TABLE table_25220821_4 (wed_2_june VARCHAR, thurs_3_june VARCHAR)