Task: Text to Code
Input (English): Step 1: For each row in trip table, find the corresponding rows in weather table.
Step 2: find start_date of the results of step 1 whose mean_sea_level_pressure_inches greater than 85
Output (English): SELECT T1.start_date FROM trip AS T1 JOIN weather AS T2 WHERE T2.mean_sea_level_pressure_inches > 85