Table: student_co2_savings
Columns: year
universities
no_of_students_signed_up
electricity_reduction
tonnes_of_co2_saved
saved

Question: When 8.9% is the electricity reduction percentage how many sets of tonnes of co2 saved is there?
SQL: SELECT COUNT("tonnes_of_co2_saved") FROM student_co2_savings WHERE "electricity_reduction" = '8.9%'

Question: When 1522 is the tonnes of co2 saved what is the year?
SQL: SELECT "year" FROM student_co2_savings WHERE "tonnes_of_co2_saved" = 1522

Question: When £337,000 is £ saved what is the percentage of electricity reduction?
SQL: SELECT "electricity_reduction" FROM student_co2_savings WHERE "saved" = '£337,000'

Question: When 8.9% is the electricity reduction percentage what is the £ saved?
SQL: SELECT "saved" FROM student_co2_savings WHERE "electricity_reduction" = '8.9%'

Question: When 10% is the percentage of electricity reduction how many sets of universities are there?
SQL: SELECT COUNT("universities") FROM student_co2_savings WHERE "electricity_reduction" = '10%'