Table: mean_free_path_data_2
Columns: vacuum_range
pressure_in_hpa_mbar
molecules_cm_3
molecules_m_3
mean_free_path

Question: What is the Pressure in hPa (mbar), when Vacuum Range is "medium vacuum"?
SQL: SELECT "pressure_in_hpa_mbar" FROM mean_free_path_data_2 WHERE "vacuum_range" = 'medium vacuum'

Question: What is Mean Free Path, when Vacuum Range is "medium vacuum"?
SQL: SELECT "mean_free_path" FROM mean_free_path_data_2 WHERE "vacuum_range" = 'medium vacuum'

Question: What is Mean Free Path, when Vacuum Range is "medium vacuum"?
SQL: SELECT "mean_free_path" FROM mean_free_path_data_2 WHERE "vacuum_range" = 'medium vacuum'