Table:
text: List of Whose Line Is It Anyway? UK episodes
Series 7
Series 7
Date_ Episode Performer_1 Performer_2 Performer_3 Performer_4
28 July 1995 1 Greg Proops Colin Mochrie Niall Ashdown Ryan Stiles
4 August 1995 2 Greg Proops Mike McShane Ryan Stiles Tony Slattery
11 August 1995 3 Stephen Frost Colin Mochrie Ryan Stiles Tony Slattery
18 August 1995 4 Colin Mochrie Ryan Stiles Caroline Quentin Tony Slattery
25 August 1995 5 Greg Proops Mike McShane Ryan Stiles Tony Slattery
1 September 1995 6 Mike McShane Colin Mochrie Ryan Stiles Tony Slattery
8 September 1995 7 Stephen Frost Eddie Izzard Greg Proops Ryan Stiles
15 September 1995 8 Stephen Frost Josie Lawrence Colin Mochrie Ryan Stiles

text: List of Whose Line Is It Anyway? UK episodes
Series 7
Series 7
Date_ Episode Performer_1 Performer_2 Performer_3 Performer_4
22 September 1995 9 Josie Lawrence Caroline Quentin Colin Mochrie Ryan Stiles
29 September 1995 10 Stephen Frost Josie Lawrence Colin Mochrie Ryan Stiles
6 October 1995 11 Compilation 1 Compilation 1 Compilation 1 Compilation 1
13 October 1995 12 Compilation 2 Compilation 2 Compilation 2 Compilation 2

Question: Cast member 1 by Stephen Frost and cast member 2 by Josie Lawrence and a date of 15 September 1995 is cast member 3 among episodes of series 7 of the British Whose Line Is It Whatever episodes?