In this task you are given data in the tabular format and a question. Write the answer to the question based on the information in the table.

Table: ['Name', 'Municipality', 'Established', 'Tower height in meters (ft)', 'Focal plane in meters (ft)', 'Current status', 'Current condition']. ['Los Morrillos Light', 'Cabo Rojo', '1882', '12 m (40 ft.)', '37 m (121 ft)', 'Active', 'Restored for tourism']. ['Punta Higuero Light', 'Rincon', '1892', '21 m (69 ft)', '27 m (90 ft)', 'Active', 'It has been fully restored and is part of the El Faro Park, a tourist and recreation center.']. ['Punta Borinquen Light', 'Aguadilla', '1892', '18 m (60 ft)', '89 m (292 ft)', 'Active', 'Operational']. ['Arecibo Light', 'Arecibo', '1898', '14 m (46 ft)', '36 m (120 ft)', 'Active', 'Restored for tourism']. ['Port San Juan Light', 'San Juan', '1846', '15.5 m (51 ft)', '55 m (181 ft)', 'Active', 'Restored for tourism. Also known as El Morro, Faro de Morro or Faro del Castillo del Morro or Puerto San Juan Light.']. ['Cape San Juan Light', 'Fajardo', '1880', '14 m (45 ft)', '79 m (260 ft)', 'Active', 'Restored for tourism']. ['Guanica Light', 'Guanica', '1893', 'N/A', 'N/A', 'Inactive', 'Ruins']. ['Cardona Island Light', 'Ponce', '1889', '11 m (36 ft)', '14 m (46 ft)', 'Active', 'Good']. ['Caja de Muertos Light', 'Ponce', '1887', '19 m (63 ft)', '91 m (297 ft)', 'Active', 'Restored for tourism']. ['Punta de las Figuras Light', 'Arroyo', '1893', '15 m (50 ft)', 'N/A', 'Inactive', 'Restored for tourism']. ['Punta Tuna Light', 'Maunabo', '1892', '15 m (49 ft)', '34 m (111 ft)', 'Active', 'Restored for tourism']. ['Mona Island Light', 'Mayaguez (Mona Island)', '1900', '16 m (52 ft)', 'N/A', 'Inactive', 'Its condition is considered dire. Unless restored soon, many considered the lighthouse lost.']. ['Punta Mulas Light', 'Vieques', '1896', '10 m (32 ft)', '21 m (68 ft.)', 'Active', 'Restored for tourism']. ['Puerto Ferro Light', 'Vieques', '1896', 'N/A', 'N/A', 'Inactive', 'Abandoned and deteriorating rapidly']. ['Culebrita Island Light', 'Culebra', '1886', '13 m (43 ft)', '93 m (305 ft)', 'Active', 'In Ruins']. ['Cabras Island Light', 'Ceiba', '1908', 'N/A', 'N/A', 'Destroyed', 'Abandoned in 1965 and destroyed in 1966']. Question: what are the heights of the puerto rico lighthouse towers?
['12 m (40 ft.)', '21 m (69 ft)', '18 m (60 ft)', '14 m (46 ft)', '15.5 m (51 ft)', '14 m (45 ft)', 'N/A', '11 m (36 ft)', '19 m (63 ft)', '15 m (50 ft)', '15 m (49 ft)', '16 m (52 ft)', '10 m (32 ft)', 'N/A', '13 m (43 ft)', 'N/A']