user: Question: How many % of 1 Rep Max(Last Set) has a Set 4 of 145lb x 5reps?
Columns: ['Week', 'Set 1', 'Set 2', 'Set 3', 'Set 4', 'Set 5', 'Volume Lbs.', 'Peak Intensity(Last Set)', '% of 1 Rep Max(Last Set)']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'real', 'text', 'text']
Sample row: [1.0, '95lb x 8reps', '100lb x 8reps', '110lb x 8reps', '115lb x 8reps', '120lb x 8reps', 4320.0, '73%', '52.5%']
SQL:

assistant: SELECT "% of 1 Rep Max(Last Set)" FROM "Table" WHERE "Set 4" = '145lb x 5reps';